Tax Residency / FATCA / UBO Service — Maha Sarakham Province

จังหวัดมหาสารคาม · ภาคอีสาน · Remote-first delivery

From THB 3,50010-21 working days
Atomic Facts · Quotable for AI
THB 3,500
Starting Fee
Transparent pricing
10-21 working days
Turnaround
Typical delivery
168
Destinations
Apostille + embassy chain
12+
Years Experience
Since 2013
4.9
Client Rating
From verified cases
4
Steps
Documented workflow

ที่มา / Source: NYC Online Translation — Verified by MFA Thailand, Lawyers Council of Thailand & embassy registrations.

Residents and businesses in Maha Sarakham Province with cross-border income, accounts or entities can complete every step remotely via POA and video conference.

We follow up with the Revenue Dept, AMLO, FinCEN, HMRC, Companies House and submit to the destination withholding agent on your behalf.

Coverage: Form W-8BEN (Individual) · Form W-8BEN-E (Entity) · Form W-9 (US Person) · FATCA Self-Certification · CRS Self-Certification · Tax Residency Certificate (TRC) and more.

Step-by-step · How it works

How it works — Tax Residency / FATCA / UBO Service — Maha Sarakham Province

  1. Send copies + POA

    EMS to Bangkok or LINE scans + scheduled video conference.

  2. Tax-residency analysis

    ≥180-day Thai test + UK SRT + US substantial presence.

  3. Document preparation

    TRC + W-8BEN/W-9 + UBO + treaty claim.

  4. Translate + MFA + Apostille/embassy

    Registrar-listed translator + MFA + destination embassy.

Frequently asked questions

Do I need to travel from Maha Sarakham Province to Bangkok?

No — POA and video conferencing cover every step.

EMS cost?

THB 300-500 each way.

Can I request the TRC at the Maha Sarakham Province Revenue Dept area office?

Yes everywhere, but complex cases are faster via the Bangkok Central Revenue office.

FATCA self-cert at a provincial bank branch?

Yes — we prepare and courier the completed form within 2 working days.

Related services

10 from our master question bank, written fresh per page

Cross-service questions, answered by the NYC Legal team

415. Do you provide bilingual Will Drafting services for foreigners wanting to pass on real estate assets in Thailand?

Tax and land-registry documents carry terminology that cannot be paraphrased, so we work from Revenue Department and Land Department glossaries. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

589. Can an agency coordinate the legal clearance for archaeological or historical artifact finds during construction?

Tender and construction contracts have hard deadlines, so team capacity is locked and interim delivery checkpoints are set before the closing date. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Tell us where the document will be used and you will get a plan and a price the same business day. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

593. Can an agency manage the complete patent portfolio maintenance and annuity payments for international clients?

Electronic documents must be traceable to their source, so deliverables ship with an audit trail whenever the receiving party asks for one. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Send your documents for a free assessment at +66-83-249-4999 or contact@nyconlinetranslation.com. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

509. How does an automated visa and work permit expiry monitoring system protect expats from overstay penalties?

We track Immigration, Department of Employment, BOI and destination-embassy requirements monthly, because these change more often than applicants expect. Processing time depends on each authority's queue, so the working order and the expected return date are confirmed before any work begins. Tell us where the document will be used and you will get a plan and a price the same business day. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

269. Are there professional translation services for international medical journals with grammar proofreading?

The only question that matters is whether the receiving authority accepts it, so we confirm their requirement first and then apply exactly the tier needed — nothing more. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

425. Do you offer condo handover inspection services with a lawyer for foreigners who are not currently in Thailand?

Accounting, tax, property and estate work for foreign nationals is run jointly with our auditors and lawyers so the translated file and the filed file always match. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Send your documents for a free assessment at +66-83-249-4999 or contact@nyconlinetranslation.com. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Which official fees apply to a consortium document pack for a public works contract, and when are they paid?

Where a project has counterparties in several countries, we deliver every language version the contract names as governing. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

298. Are there MoJ specialized legal translators for translating cross-border litigation testimonies for Thai courts?

We route each file to the right credential: NAATI for Australia, Ministry of Justice registered translators for Thai court work, and embassy sworn translators for European destinations. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Tell us where the document will be used and you will get a plan and a price the same business day. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Does a legal opinion letter prepared for a foreign regulator require a certified translation to be attached?

Cross-border wills and estates must be read against the destination jurisdiction, and we coordinate local counsel where that is required. Quotations separate government fees from professional fees line by line, so nothing appears on the invoice that was not in the quote. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

267. Which translation agency handles certified translations of corporate annual reports for public companies?

Certification tiers are separated up front — agency Certified True Translation, Notary Public seal, MFA consular legalization, and Apostille (not yet available in Thailand — accession deposited 30 Jun 2026, in force 28 February 2027). One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Tell us where the document will be used and you will get a plan and a price the same business day. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

10 of 1,600 curated questions · cited to Immigration, DOPA, Land Transport, Department of Employment, BOI and the Revenue Department · fees quoted on request

1,600 questions from foreigners living in Thailand — answered by NYC Legal

Q95690.At which stage of tax residency and the certificate of residence (R.O.21) is a lease agreement or title deed for the residence required, and which office receives it?

A person present in Thailand for an aggregate of 180 days in a tax year is a Thai tax resident under section 41 of the Revenue Code, and may request a certificate of residence (form R.O.21) from the Revenue Department in order to claim double-tax-treaty benefits. Check first whether the receiving office accepts online submission or requires attendance in person, since individual Immigration offices differ in practice. Watch out: rules, forms and application windows are revised periodically — confirm on the official website before travelling to file. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q327112.How many authorities does applying for naturalisation and its supporting documents involve, and what is each responsible for?

Permanent residence is granted under the Immigration Act B.E. 2522, with an annual quota per nationality announced by the Ministry of Interior. Applicants must hold a non-immigrant visa with continuous extensions of stay for the period specified, and the application window is announced by the Immigration Bureau. Keep the bundle paired original-to-Thai-translation, with signed copies of every relevant passport page. Watch out: rules, forms and application windows are revised periodically — confirm on the official website before travelling to file. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q227176.Which steps of applying for naturalisation and its supporting documents require appearing in person and which can be delegated?

Permanent residence is granted under the Immigration Act B.E. 2522, with an annual quota per nationality announced by the Ministry of Interior. Applicants must hold a non-immigrant visa with continuous extensions of stay for the period specified, and the application window is announced by the Immigration Bureau. If the permitted stay is close to expiry, allow time for certification, translation and appointment booking. Watch out: rules, forms and application windows are revised periodically — confirm on the official website before travelling to file. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q95032.How should a foreign executive working in Bangkok prepare for Thai permanent residence (PR) so nothing is missing or filed late?

Permanent residence is granted under the Immigration Act B.E. 2522, with an annual quota per nationality announced by the Ministry of Interior. Applicants must hold a non-immigrant visa with continuous extensions of stay for the period specified, and the application window is announced by the Immigration Bureau. Check first whether the receiving office accepts online submission or requires attendance in person, since individual Immigration offices differ in practice. Watch out: leaving Thailand without a re-entry permit immediately voids an existing permission to stay. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q327048.How does applying for naturalisation and its supporting documents differ when handled through an agent, and which suits whom?

Permanent residence is granted under the Immigration Act B.E. 2522, with an annual quota per nationality announced by the Ministry of Interior. Applicants must hold a non-immigrant visa with continuous extensions of stay for the period specified, and the application window is announced by the Immigration Bureau. A workable order is: confirm the current visa status and the remaining deadline, gather originals with translations, then book an appointment and file with the office responsible for your registered address. Watch out: foreign-issued documents must complete the correct legalisation chain before a Thai authority will accept them. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q95620.At which stage of marriage, legitimation and family documents for foreigners is the 90-day report receipt required, and which office receives it?

Marriage and family registrations are handled at the district office under the Family Registration Act B.E. 2478 and Book V of the Civil and Commercial Code. Foreign nationals normally submit an affirmation of marital status from their embassy together with a translation legalised by the Department of Consular Affairs. Keep the bundle paired original-to-Thai-translation, with signed copies of every relevant passport page. Watch out: leaving Thailand without a re-entry permit immediately voids an existing permission to stay. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email. Keep digital copies of every document with its issue and expiry date in one place so the next renewal cycle can be checked and filed quickly. Check the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th) and document legalisation at consular.mfa.go.th.

Q95072.At which stage of Thai naturalisation and dual nationality is the TM6 departure card where issued required, and which office receives it?

Thai naturalisation is governed by the Nationality Act B.E. 2508 as amended, filed through the Special Branch Police or the provincial administration, and assessed on residence status, conduct, Thai language ability and settled means of living. A workable order is: confirm the current visa status and the remaining deadline, gather originals with translations, then book an appointment and file with the office responsible for your registered address. Watch out: foreign-issued documents must complete the correct legalisation chain before a Thai authority will accept them. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q95076.At which stage of Thai naturalisation and dual nationality is the 90-day report receipt required, and which office receives it?

Thai naturalisation is governed by the Nationality Act B.E. 2508 as amended, filed through the Special Branch Police or the provincial administration, and assessed on residence status, conduct, Thai language ability and settled means of living. Keep the bundle paired original-to-Thai-translation, with signed copies of every relevant passport page. Watch out: leaving Thailand without a re-entry permit immediately voids an existing permission to stay. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email. Documents issued abroad must be authenticated in the issuing country — by apostille or by a Royal Thai Embassy — before they are translated and used in Thailand. Check the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th) and document legalisation at consular.mfa.go.th.

Q327026.What belongs on a pre-departure checklist for converting a foreign driving licence to a Thai one?

Driving licences are issued by the Department of Land Transport. Foreign applicants present a passport with a qualifying non-tourist visa, a certificate of residence from Immigration or their embassy, and a medical certificate. Holders of a valid foreign licence may be exempted from certain tests under the Department's regulations. A workable order is: confirm the current visa status and the remaining deadline, gather originals with translations, then book an appointment and file with the office responsible for your registered address. Watch out: mismatched name spellings across the passport, the translation and Thai records are the most common cause of re-filing. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Q95526.How should an employee of a multinational relocating to Thailand prepare for Thai driving licences and converting a foreign licence so nothing is missing or filed late?

Driving licences are issued by the Department of Land Transport. Foreign applicants present a passport with a qualifying non-tourist visa, a certificate of residence from Immigration or their embassy, and a medical certificate. Holders of a valid foreign licence may be exempted from certain tests under the Department's regulations. Keep the bundle paired original-to-Thai-translation, with signed copies of every relevant passport page. Watch out: rules, forms and application windows are revised periodically — confirm on the official website before travelling to file. Verify current requirements with the Immigration Bureau (immigration.go.th), the Department of Provincial Administration (bora.dopa.go.th), the Department of Land Transport (dlt.go.th), the Department of Employment (doe.go.th), BOI/LTR (ltr.boi.go.th), the Revenue Department (rd.go.th) and the Department of Consular Affairs (consular.mfa.go.th). Service fees are quoted per case based on scope and documents involved — ask our team by phone, LINE or email.

Primary sources & verification

Every procedural statement on this page is checked against the issuing authority below. Where an authority updates its requirements, this page is corrected — we do not restate outdated procedure.

Government fees quoted anywhere on this site are the authorities' own statutory rates. Our professional fees are quoted per case — contact us by phone, LINE or email for a written quotation.

Full service playbook — Legal drafting & document review

Drafting and review start from the facts and the parties' objectives, then select the document structure, language and enforcement route that suit the destination.

Responsible authority: The responsible attorney and the authority relevant to the matter

Documents to prepare

  • Identity documents for every party, plus company affidavits for corporates
  • Underlying paperwork such as prior contracts, invoices or payment evidence
  • The commercial terms wanted — scope, term and termination conditions
  • Related title or registration documents where applicable
  • Requirements of the authority or country where the document will be used

Step-by-step process

  1. 1. Fact interview and objective setting1–2 business days

    Capture what each party needs and the risk each can accept before choosing the instrument.

  2. 2. First draft2–5 business days

    Draft parties, scope, consideration, term, termination and governing law.

  3. 3. Client review round1–3 business days

    Refine wording and reconcile defined terms across the whole document.

  4. 4. Bilingual version for overseas use1–3 business days

    Produce a Thai–English version stating which language prevails.

  5. 5. Execution and certification3–10 business days

    Sign before a notarial services attorney, then add an Apostille or legalisation if used abroad.

Practitioner tips

  • State the prevailing language explicitly to avoid interpretation disputes.
  • Keep negotiation records and emails as evidence of the parties' intent.
  • Assemble the full set before filing once; batching is faster than submitting one document at a time.
  • Match the Latin spelling of your name to your passport exactly — receiving authorities compare character by character.
  • Scan every page to 300 dpi colour PDF before the originals leave your hands, in case a re-submission is required.

Cautions

  • Website content is general information, not advice on your specific matter.
  • Copying a template without adapting the facts often leaves clauses unenforceable.
  • All timeframes are ranges and depend on agency queues and public holidays.
  • Do not write on, amend, or correction-fluid an official document; request a fresh copy from the issuing office instead.
  • Copies made from copies are commonly rejected; use originals or copies certified by the issuing office.

DIY vs NYC handling it

TaskDo it yourselfNYC handles it
Checking destination rulesYou read checklists and call around yourselfWe verify the current requirements and hand you one list
Multi-agency runningSeveral days off work, different queues and hoursWe run the whole chain end to end for you
Translation and certificationYou source a translator and risk rejectionTranslated, double-checked and certified in one package
Errors and re-filingOne mistake restarts the whole chainPre-submission checks at every stage reduce rejections
TrackingYou chase the status by phoneStage-by-stage updates on LINE with photo evidence

Prefer not to run it yourself? NYC can handle the whole chain

Every step above can be done alone, but it means several agencies, mismatched queues, and one mistake restarting the sequence. Our attorneys and translators cover requirement checks, document re-issue, certified translation and MFA or embassy legalisation, with status updates at each stage. Send photos of your documents for a free assessment first.

Compare the options before you decide

Apostille route vs embassy legalisation route

The destination country decides whether a file ends at an Apostille or still needs the embassy. Confirm the country's convention status first: the two routes use a different order and different paperwork.

AspectApostille routeEmbassy legalisation route
When it appliesDestination is a party to the Apostille ConventionDestination does not accept an Apostille
Final authorityDepartment of Consular Affairs, Ministry of Foreign AffairsThe destination country's embassy or consulate in Thailand
Typical number of stepsFewer — the chain ends at the central authorityMore — central authority first, then the embassy
Approximate timeframeShorter, still subject to the authority's queueLonger, because the embassy appointment queue is added
Common rejection causeTranslation does not match the original, or the copy was not issued by the authorityThe embassy's own form or language requirement was not followed

Verify the current convention status and embassy conditions before filing.

Thailand's notarial attorney vs a foreign Notary Public

Thailand has no Notary Public office in the international sense. Equivalent work is performed by a Notarial Services Attorney licensed by the Lawyers Council of Thailand.

AspectThailand: notarial attorneyAbroad: Notary Public
Who is authorisedAn attorney licensed for notarial services by the Lawyers CouncilA notary appointed by the state or a court
ScopeSignature certification, true copies, affidavits and translations where the law allowsVaries by jurisdiction
Usual next stepFile with the Department of Consular Affairs, then Apostille or embassyUsually the country's own central authority
In-person requiredYes — you sign in front of the certifying attorneyGenerally yes

Where the receiving body uses its own terminology, follow that wording rather than claiming an equivalent title.

Filing it yourself vs letting NYC run the chain

Every step can be done alone. This table compares the real workload of each option so the decision rests on time and rejection risk rather than marketing claims.

AspectDo it yourselfNYC handles it
Checking destination rulesRead each authority's notice yourself and confirm by phoneChecked before you start, with the order the receiving authority accepts
TravelSeveral agencies with queues that rarely line up in one dayDocuments move by courier or online except where the law requires you in person
Rejection riskOne mismatch — a name spelled differently from the passport — restarts the chainNames, dates and stamps are cross-checked before every filing
Status trackingYou follow up with each authorityStatus updates at each stage, and we handle the fix if a file is returned
Advisory roleNo one to compare options when your case falls outside the manualYou get advice on the options before work starts, not just execution

Government fees and timeframes change; ask for an assessment of your own case before you start.

What the common mistakes actually cost

Almost every failure in legal instruments and drafting happens during preparation, not at the counter, and the real cost is the TIME needed to repeat the chain. Below is what each mistake comes from, how long it typically adds, and how to avoid it.

MistakeWhy it happensTime costHow to prevent it
The name in the translation does not match the passport spellingReceiving authorities compare character by character; a single different letter reads as a different person.Typically adds 3–10 working days, because the translation has to be redone and the whole chain repeated.Send the passport page on day one and have the translator take the spelling from the passport, never from the Thai document.
Removing staples or separating pages after certificationThe certification is attached to the bound set; once separated the set counts as incomplete.Typically adds 3–7 working days to re-certify the set.Scan first, then keep the originals in a rigid envelope without detaching anything.
Running the chain in the wrong order — embassy before the consular departmentEach body only certifies the signature of the body immediately before it in the chain.Typically adds 5–12 working days and forces a re-filing from the skipped stage.Confirm the route with the receiving authority before starting, or have us map the chain up front.
Planning without allowing for public and embassy holidaysEmbassies close on both Thai and home-country holidays, so the real calendar is shorter than it looks.Typically adds 3–9 working days around a long holiday period.Check the holiday calendar of every body involved before fixing a travel or filing date.
Filing an incomplete set — missing an ID copy or a power of attorneyCompleteness is checked at the counter; an incomplete file is not accepted at all.Typically adds 1–5 working days per return trip.Work from a written checklist and re-check it before leaving, including every copy that needs a signature.

Deep timeline: what can run in parallel

The windows below are approximate and depend on each authority's queue. Stages marked as parallel can start alongside the previous stage — that is where the total calendar time is actually reduced.

  1. 1. Advisory call to fix scope and form1–2 working days

    Parties, delegated powers, and the intended effect are settled before drafting to avoid later rewrites.

  2. 2. Drafting and professional review2–5 working days

    Wording, signing authority, and annexes are checked against what the destination requires.

  3. 3. Execution and certification1–3 working days

    Signatories appear with original identity documents and the instrument is certified in the required form.

  4. 4. Translation and legalisation for overseas use3–15 working dayscan run in parallel

    Possible once the original is fully executed; timing depends on destination and queues.

Note: all windows are general estimates, not guarantees. Actual timing depends on how complete your file is and on the queues at the authorities involved.

We work as advisers, not only as a document-running agency

Our team has worked on documents, translation and legalisation for more than 15 years, combining notarial attorneys licensed by the Lawyers Council of Thailand with translators the receiving authorities accept. Every case starts with advice on the correct route and only then moves to execution — we do not simply run whatever is handed to us.

Before we start — mapping the document route

We confirm whether your file ends at an Apostille or still needs the embassy, whether a freshly issued copy is required, and which form of translation the receiving authority accepts. This is where most time is saved, because it is where most people choose wrongly and restart.

While preparing — consistency checks

We match the spelling of your name against the passport, check the issue date against the validity window the destination applies, verify stamps and signatures, and confirm the translation matches the original line by line.

While filing — coordination with the authorities

We file in the order each authority expects, follow the queue, and report status as it moves. If an authority asks for more paperwork, you hear about it immediately, together with the options for fixing it.

After delivery — practical guidance

We explain which bodies this set can be filed with, how to store the originals, and how many certified sets to request up front if you expect to use them again, so you do not repeat the whole chain later.

Cases where advice up front changes the outcome

  • Documents have a limited validity window and every item must still be valid on the day of filing.
  • The destination only says "certified translation" without stating which form of certification it accepts.
  • Documents are needed for several countries at once, each with a different order of certification.
  • A file was already returned once and the real cause has to be identified before refiling.

If you are unsure which route your case takes, send photos of the documents and name the destination country or authority. We map the sequence and the paperwork first; you then decide whether to run it yourself or hand it over.

ประเด็นสำคัญที่ต้องรู้

คำถามที่พบบ่อย

How long does Tax take?
Standard turnaround is 5-7 business days; rush is 1-3 business days, counted from receipt of complete originals.
What do you need to start Tax?
A photo or scan of the original plus the destination country and receiving authority. We review it free of charge and reply with the shortest valid routing.
Do I have to visit the office?
No. Send originals by EMS or book a Bangkok pickup; completed documents are returned by domestic post or international courier.
What does the Tax fee include?
Professional service fee, government fees at official rates, domestic EMS, and international courier where applicable — each listed separately in the quote.

Tax

Most delays in "Tax" matters come from re-filing, not from the work itself. Our International Document Services team therefore verifies destination requirements first and only then walks the file through the accepted sequence. We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. The handling team includes attorneys registered as Notarial Services Attorneys with the Lawyers Council of Thailand, translators recognized by the Ministry of Justice, and consular liaison officers. We separate our own fee from government charges and actual shipping cost, so the quote shows exactly where each baht goes. Two service windows are available: standard 5-7 business days, rush 1-3 business days.

Tax — service overview

  • Most delays in "Tax" matters come from re-filing, not from the work itself. Our International Document Services team therefore verifies destination requirements first and only then walks the file through the accepted sequence.
  • We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. The handling team includes attorneys registered as Notarial Services Attorneys with the Lawyers Council of Thailand, translators recognized by the Ministry of Justice, and consular liaison officers.
  • We separate our own fee from government charges and actual shipping cost, so the quote shows exactly where each baht goes. Two service windows are available: standard 5-7 business days, rush 1-3 business days.

Documents required for Tax

  • Original document required for Tax (or a freshly issued certified copy within its validity window)
  • Copy of national ID or passport, signed and dated as a true copy
  • Power of attorney (if a representative will handle it) with a 30 THB revenue stamp
  • Destination details: country, receiving authority, purpose, and required deadline

How Tax runs, stage by stage

  • 1. Send scanned copies of the Tax source documents via LINE/email for a free initial review.
  • 2. We confirm eligibility and issue a written quote with a committed turnaround.
  • 3. You deliver originals to our office (or book a Bangkok pickup) and pay a 50% deposit.
  • 4. We translate, certify, and submit to each Thai authority in the order the destination accepts.
  • 5. Final documents are scanned and emailed for your review before physical dispatch.
  • 6. We ship by EMS domestically and DHL/FedEx internationally, with tracking numbers.

Tax: how long and how much

  • Standard turnaround for Tax: 5-7 business days from receipt of complete originals.
  • Rush turnaround: 1-3 business days (rush surcharge applies).
  • Government fees are charged at official rates with no markup.
  • Domestic EMS at Thailand Post rates; international DHL/FedEx at actual weight-based rates.

Re-filing triggers in Tax matters

  • Originals outside the validity window — many destinations require documents issued within 3-6 months. Confirm with the receiving authority first.
  • Name mismatch between the document and the passport — embassies reject these. Correct it at the district office before translating.
  • Using a translator without an official seal — the MFA and embassies will not accept it, and the chain restarts.
  • Submitting an uncertified photocopy instead of the original — the receiving office will not review it and you rejoin the queue.

FAQ

How long does Tax take?
Standard turnaround is 5-7 business days; rush is 1-3 business days, counted from receipt of complete originals.
What do you need to start Tax?
A photo or scan of the original plus the destination country and receiving authority. We review it free of charge and reply with the shortest valid routing.
Do I have to visit the office?
No. Send originals by EMS or book a Bangkok pickup; completed documents are returned by domestic post or international courier.
What does the Tax fee include?
Professional service fee, government fees at official rates, domestic EMS, and international courier where applicable — each listed separately in the quote.

Thai Tax for Foreign Nationals — In-Depth Compliance Guide

Editorial photograph of Thai PND 90/91 tax return forms with a calculator on a workspace
Editorial illustration (AI-generated, editorially reviewed — no real persons or brand logos depicted).

Regulatory & Standards Citations

  • กรมสรรพากรประมวลรัษฎากร มาตรา 40, 41 — เงินได้พึงประเมิน [source]
  • กรมสรรพากรคำสั่งกรมสรรพากรที่ ป.161/2566 และ ป.162/2566 — หลักถิ่นที่อยู่และเงินได้จากต่างประเทศ [source]
  • OECDModel Tax Convention on Income and on Capital 2017 — Article 4 Residence [source]

Common Pitfalls (From Field Experience)

  • Believing '<180 days = no tax' — Thai-source income is always taxable regardless of residency days.
  • Remitting foreign income into Thailand post-2024 without documenting principal vs. income (per Order P.161/2023).
  • Failing to file PND 90/91 when required triggers 1.5%/month surcharge.

Decision Tree

อยู่ในไทย ≥ 180 วันในปีภาษี?
Yes → เป็นผู้มีถิ่นที่อยู่ทางภาษี — เงินได้ทั่วโลกที่นำเข้าไทยอาจต้องเสียภาษี
No → เสียเฉพาะเงินได้ที่เกิดในไทย (source-based)
มีเงินได้จากต่างประเทศที่ต้องการนำเข้าไทย?
Yes → แยกบัญชี pre-2024 vs post-2024 + เก็บหลักฐาน DTA
No → ยื่นเฉพาะเงินได้ไทย

Options Compared

OptionBest forTimelineCost (THB)
PND 91 (เงินเดือนอย่างเดียว)พนักงานต่างชาติ Non-Bยื่นภายใน 31 มี.ค.ตามอัตราก้าวหน้า 0–35%
PND 90 (เงินได้หลายประเภท)ฟรีแลนซ์ / เจ้าของกิจการยื่นภายใน 31 มี.ค.ตามอัตราก้าวหน้า + VAT ถ้าเกิน 1.8M
LTR Wealthy Pensioner (17% flat)ผู้เกษียณรายได้สูงต้องมี LTR ก่อน17% flat บนเงินได้จากต่างประเทศที่ทำงานให้บริษัทไทย

Scope of work: Tax advisory

We scope tax advisory around the outcome you need at destination, confirm the exact document list for your case, then run every step for you.

This service fits you when

  • A Thai or foreign authority asked for documents you have never prepared before
  • You have a deadline and cannot risk a rejected or incomplete submission
  • Your documents must stay consistent across several offices or countries
  • You want one team to advise first and then execute, instead of coordinating vendors

When another route is the right one

  • If a shorter or cheaper route exists for your case, we tell you before you commit
  • If another authority owns the step, we explain who to approach and in what order
  • If your documents are still valid or already sufficient, we will not re-do them

What the service includes

  • Requirement check against the receiving office before work begins
  • A written, case-specific document checklist
  • Preparation, translation and certification handled end to end
  • Progress updates and rework if an officer asks for changes
  • Delivery of digital files and originals

What is not included

  • Government and courier fees charged by the receiving authority (billed at cost, always quoted before we start)
  • Any guarantee of approval by a government office or embassy — that decision stays with the officer in charge
  • Sourcing original documents that only you can request in person

Not sure which route your case belongs to? Tell us the destination and the deadline — our advisers have handled these files for more than 15 years and will confirm the correct sequence and exact documents before you spend anything.

Thai tax filing for expats and businesses: process and documents

Tax work starts by settling your tax-residency status (183 days or more of presence in a tax year makes you a Thai tax resident), then organising income evidence, foreign tax credits and on-time filing.

Step-by-step process

  1. 1Assess tax residencyWe count days of presence in the tax year and review income sources to determine which returns apply and which income falls within Thai scope.
  2. 2Collect and classify income evidenceWithholding tax certificates, payslips, remittance records and foreign income documents are compiled into an auditable file.
  3. 3Review treaty relief and tax creditsWe check whether a double tax agreement applies and prepare proof of foreign tax paid to claim credit or exemption.
  4. 4Obtain a TIN and fileWe register a taxpayer ID if needed, prepare the return, reconcile every figure to evidence and file before the deadline.
  5. 5Request certificates and archiveWe obtain residence or tax-payment certificates for use abroad and keep the evidence file ready for any review.

Documents you need to prepare

  • Passport with all entry and exit stamps for the tax year
  • Work permit or employment contract if applicable
  • Withholding tax certificates and payslips for the full year
  • Foreign income evidence such as foreign tax certificates, dividend, interest or rental statements
  • Bank statements showing remittances into Thailand
  • Deduction evidence such as insurance premiums, funds and mortgage interest

Common pitfalls to avoid

  • The day count follows the tax year, not a rolling 12 months.
  • Foreign tax paid must be evidenced by official certificates; screenshots are usually rejected.
  • Late filing attracts penalties and surcharges — start collecting documents a month before the deadline.
  • Rules on remitting foreign income into Thailand have changed; take advice before a large transfer.

Prefer not to handle the queues, forms and re-submissions yourself? Our team has run these files for more than 15 years — we advise on the right route first, then complete every step for you end to end. Message us and we will confirm the exact documents for your case.

Compare the options before you decide

Thailand's notarial attorney vs a foreign Notary Public

Thailand has no Notary Public office in the international sense. Equivalent work is performed by a Notarial Services Attorney licensed by the Lawyers Council of Thailand.

AspectThailand: notarial attorneyAbroad: Notary Public
Who is authorisedAn attorney licensed for notarial services by the Lawyers CouncilA notary appointed by the state or a court
ScopeSignature certification, true copies, affidavits and translations where the law allowsVaries by jurisdiction
Usual next stepFile with the Department of Consular Affairs, then Apostille or embassyUsually the country's own central authority
In-person requiredYes — you sign in front of the certifying attorneyGenerally yes

Where the receiving body uses its own terminology, follow that wording rather than claiming an equivalent title.

Apostille route vs embassy legalisation route

The destination country decides whether a file ends at an Apostille or still needs the embassy. Confirm the country's convention status first: the two routes use a different order and different paperwork.

AspectApostille routeEmbassy legalisation route
When it appliesDestination is a party to the Apostille ConventionDestination does not accept an Apostille
Final authorityDepartment of Consular Affairs, Ministry of Foreign AffairsThe destination country's embassy or consulate in Thailand
Typical number of stepsFewer — the chain ends at the central authorityMore — central authority first, then the embassy
Approximate timeframeShorter, still subject to the authority's queueLonger, because the embassy appointment queue is added
Common rejection causeTranslation does not match the original, or the copy was not issued by the authorityThe embassy's own form or language requirement was not followed

Verify the current convention status and embassy conditions before filing.

Filing it yourself vs letting NYC run the chain

Every step can be done alone. This table compares the real workload of each option so the decision rests on time and rejection risk rather than marketing claims.

AspectDo it yourselfNYC handles it
Checking destination rulesRead each authority's notice yourself and confirm by phoneChecked before you start, with the order the receiving authority accepts
TravelSeveral agencies with queues that rarely line up in one dayDocuments move by courier or online except where the law requires you in person
Rejection riskOne mismatch — a name spelled differently from the passport — restarts the chainNames, dates and stamps are cross-checked before every filing
Status trackingYou follow up with each authorityStatus updates at each stage, and we handle the fix if a file is returned
Advisory roleNo one to compare options when your case falls outside the manualYou get advice on the options before work starts, not just execution

Government fees and timeframes change; ask for an assessment of your own case before you start.

5 accounting and tax mistakes that trigger assessments

Most issues come from weak expense documentation and late filings.

  1. 1. Incomplete or invalid expense documentation

    Why it matters: Unsupported expenses can be added back.

    How to avoid it: Keep valid tax invoices matching the actual payer.

  2. 2. Mixing personal and business spending

    Why it matters: It distorts financial statements and tax.

    How to avoid it: Use a separate business bank account.

  3. 3. Late or wrong-form filings

    Why it matters: Surcharges and penalties apply by law.

    How to avoid it: Keep a monthly tax calendar and verify the form type.

  4. 4. Failing to withhold tax when required

    Why it matters: The payer remains liable for unwithheld tax.

    How to avoid it: Check income type and rate before every payment.

  5. 5. Closing books too late to review

    Why it matters: Rushed closings hide errors that are hard to fix later.

    How to avoid it: Close monthly rather than annually.

Prefer not to manage these details yourself? Our team has advised on cases like this for more than 15 years — we confirm the correct route first, then handle every step for you. Message us and we will list exactly which documents your case needs.

What the common mistakes actually cost

Almost every failure in legal instruments and drafting happens during preparation, not at the counter, and the real cost is the TIME needed to repeat the chain. Below is what each mistake comes from, how long it typically adds, and how to avoid it.

MistakeWhy it happensTime costHow to prevent it
Booking the wrong service channel or appointment typeEach channel has its own queue and document conditions; the wrong one means booking again.Typically adds 2–14 working days depending on appointment availability that month.Confirm the service type and the appointment date in advance and keep at least one spare week.
Removing staples or separating pages after certificationThe certification is attached to the bound set; once separated the set counts as incomplete.Typically adds 3–7 working days to re-certify the set.Scan first, then keep the originals in a rigid envelope without detaching anything.
Filing an incomplete set — missing an ID copy or a power of attorneyCompleteness is checked at the counter; an incomplete file is not accepted at all.Typically adds 1–5 working days per return trip.Work from a written checklist and re-check it before leaving, including every copy that needs a signature.
The name in the translation does not match the passport spellingReceiving authorities compare character by character; a single different letter reads as a different person.Typically adds 3–10 working days, because the translation has to be redone and the whole chain repeated.Send the passport page on day one and have the translator take the spelling from the passport, never from the Thai document.
Self-translating, or using a translator the destination does not recogniseSome countries accept only registered translators, others only translations certified by a Thai government body.Typically adds 4–10 working days for a fresh translation and a restarted chain.Ask the destination exactly which form of translation it accepts, then match the translator to that form from the start.

Deep timeline: what can run in parallel

The windows below are approximate and depend on each authority's queue. Stages marked as parallel can start alongside the previous stage — that is where the total calendar time is actually reduced.

  1. 1. Advisory call to fix scope and form1–2 working days

    Parties, delegated powers, and the intended effect are settled before drafting to avoid later rewrites.

  2. 2. Drafting and professional review2–5 working days

    Wording, signing authority, and annexes are checked against what the destination requires.

  3. 3. Execution and certification1–3 working days

    Signatories appear with original identity documents and the instrument is certified in the required form.

  4. 4. Translation and legalisation for overseas use3–15 working dayscan run in parallel

    Possible once the original is fully executed; timing depends on destination and queues.

Note: all windows are general estimates, not guarantees. Actual timing depends on how complete your file is and on the queues at the authorities involved.

Key terms to know before you file

These are the terms clients most often misread — and a leading cause of rejected documents. Our advisors walk you through them before any work starts.

Memorandum of Understanding (MOU)(Thai equivalent: บันทึกข้อตกลง)
A formal agreement between parties; often requires certified translation and notarisation when used abroad.
Department of Business Development (DBD)(Thai equivalent: กรมพัฒนาธุรกิจการค้า)
The Thai government department responsible for company registration and corporate records.
Legalization (Consular)(Thai equivalent: นิติกรณ์)
Authentication of a document by the Department of Consular Affairs, Ministry of Foreign Affairs of Thailand, for use abroad.
Articles of Association (AoA)(Thai equivalent: ข้อบังคับบริษัท)
A company's governing rules defining shareholder structure and directors' powers.
Board of Investment (BOI)(Thai equivalent: บีโอไอ)
The Thailand Board of Investment, which issues investment-promotion certificates and grants tax and immigration privileges.
Ministry of Foreign Affairs (MFA)(Thai equivalent: กระทรวงการต่างประเทศ)
Thailand's Ministry of Foreign Affairs, the first-stage legalisation authority before forwarding documents to the destination embassy.

Not sure which route your case needs? Send us the documents for a free assessment and we handle every step for you.

View the full glossary

Related services you may need next

Most cases need more than one step. Here is how the surrounding work connects, so you can plan the whole chain instead of discovering a missing certification at the last minute.

Not sure which of these your case actually needs? That is exactly what our advisory team does: with 15+ years on cross-border documents, we map the full chain for your destination first, then handle every step so nothing is filed in the wrong order.

We work as advisers, not only as a document-running agency

Our team has worked on documents, translation and legalisation for more than 15 years, combining notarial attorneys licensed by the Lawyers Council of Thailand with translators the receiving authorities accept. Every case starts with advice on the correct route and only then moves to execution — we do not simply run whatever is handed to us.

Before we start — mapping the document route

We confirm whether your file ends at an Apostille or still needs the embassy, whether a freshly issued copy is required, and which form of translation the receiving authority accepts. This is where most time is saved, because it is where most people choose wrongly and restart.

While preparing — consistency checks

We match the spelling of your name against the passport, check the issue date against the validity window the destination applies, verify stamps and signatures, and confirm the translation matches the original line by line.

While filing — coordination with the authorities

We file in the order each authority expects, follow the queue, and report status as it moves. If an authority asks for more paperwork, you hear about it immediately, together with the options for fixing it.

After delivery — practical guidance

We explain which bodies this set can be filed with, how to store the originals, and how many certified sets to request up front if you expect to use them again, so you do not repeat the whole chain later.

Cases where advice up front changes the outcome

  • A file was already returned once and the real cause has to be identified before refiling.
  • The name on an older document does not match the current passport because of a name change or a different transliteration.
  • Documents are needed for several countries at once, each with a different order of certification.
  • The destination only says "certified translation" without stating which form of certification it accepts.

If you are unsure which route your case takes, send photos of the documents and name the destination country or authority. We map the sequence and the paperwork first; you then decide whether to run it yourself or hand it over.

Who wrote and checked this page

Written by
NYC Legal accounting & tax desk
Reviewed by
Registered bookkeeper and corporate tax advisor
Last reviewed

Handles tax filings, financial statements and supporting government submissions. We are not only a filing agency — every case starts with a consultation so you know the correct route, the exact documents and the realistic timeline before any fee is paid.

Procedures and authority requirements can change. We re-check each page against the responsible authority's current practice; if your case is time-critical, message us to confirm the latest requirement.

Continue with a related service

Most document journeys need more than one step. These are the steps clients most often combine with this page.

Professional fees are quoted per case — ask our team by phone, LINE or email.

Verify with the issuing authority

Each source below is the authority that owns the rule cited on this page. If an authority changes its requirement, this page is corrected.