ประเด็นสำคัญที่ต้องรู้

คำถามที่พบบ่อย

How long does it take?
Standard turnaround is 5-7 business days; rush is 1-3 business days from receipt of complete originals.
What is included in the fee?
Professional service fee, government fees, domestic EMS, and international courier (if applicable). Everything is itemized in the quote.
Do I have to visit the office?
No — send by EMS, or we can arrange a Bangkok pickup. Final documents can be couriered worldwide.
Will the result be accepted abroad?
Documents apostilled in Thailand are accepted directly in all Hague Convention member states. Non-member states need a further embassy legalization step.

International Document Services

Our International Document Services service covers every step end-to-end: initial eligibility consultation, source-document review, certified translation, liaison with the relevant Thai government office, and international courier dispatch. 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 with 10+ years of experience. Every document carries a different downstream use case — employment, study, immigration, marriage, or commercial filing — and each receiving authority has its own acceptance rules. We plan the shortest and most cost-effective document routing for your case before any fees are charged, and we issue a written timeline so you can schedule your travel or filing with confidence. Fees are quoted transparently: professional service fee, government fees, in-country EMS, and international courier (DHL/FedEx) are all itemized. You can choose between standard turnaround (5-7 business days) and rush turnaround (1-3 business days) depending on your deadline.

Service Overview

Documents Required

Step-by-Step Process

Timeline & Fees

Common Pitfalls & How to Avoid Them

FAQ

How long does it take?
Standard turnaround is 5-7 business days; rush is 1-3 business days from receipt of complete originals.
What is included in the fee?
Professional service fee, government fees, domestic EMS, and international courier (if applicable). Everything is itemized in the quote.
Do I have to visit the office?
No — send by EMS, or we can arrange a Bangkok pickup. Final documents can be couriered worldwide.
Will the result be accepted abroad?
Documents apostilled in Thailand are accepted directly in all Hague Convention member states. Non-member states need a further embassy legalization step.
ข้ามไปยังเนื้อหาหลัก

Tax Residency · FATCA · CRS · UBO · DTA · TRC

Thai TRC · W-8BEN/W-9 · FATCA & CRS self-cert · UBO disclosure (AMLO / UK PSC / EU UBO / FinCEN BOI) · DTA treaty relief · exit-tax planning — across 14 treaty jurisdictions.

Documents & forms

Form W-8BEN (Individual)
Self-signed (filed with withholding agent)

Beneficial owner certificate for non-US individuals claiming treaty-rate withholding under the US-Thai tax treaty.

1-3 days · 1,500-3,500 บาท (รวมที่ปรึกษา)
Form W-8BEN-E (Entity)
Entity + Authorised Signatory

Entity-level beneficial owner certificate including FATCA chapter 4 classification (Active/Passive NFFE / FFI).

3-7 days · 5,500-12,000 บาท
Form W-9 (US Person)
US Person / Green Card holder

TIN certification for US persons (citizens, residents, green-card holders) banking or earning in Thailand.

1-2 days · 1,500-3,000 บาท
FATCA Self-Certification
Account Holder

Account-holder declaration under Model 1A IGA (issued July 2016) used by Thai financial institutions.

1-3 days · ฟรี (รับรอง) — 2,500 บาทหากต้องที่ปรึกษา
CRS Self-Certification
Account Holder

OECD CRS tax-residency declaration — Thailand joined the MCAA in 2019, first exchange in 2023.

1-3 days · ฟรี — 2,500 บาทหากต้องที่ปรึกษา
Tax Residency Certificate (TRC)
Revenue Department (RD-TRC)

Thai tax-residency certificate (≥180 days in calendar year) for treaty-relief claims in 61 partner jurisdictions.

10-20 days · 1,500-2,500 บาท + ค่าธรรมเนียมกรม
Withholding Tax Reduction Application (RD Form 17)
Revenue Department

DTA withholding-rate reduction application — dividends, interest, royalties, technical fees.

21-45 days · 4,500-9,500 บาท
Beneficial Ownership (UBO) Declaration
Director + Shareholder

UBO disclosure (≥25% threshold) — mandatory under Thai AMLO Reg. 2019 and destination regimes (UK PSC, EU 5AMLD/6AMLD, US Corporate Transparency Act).

3-10 days · 6,500-15,000 บาท
UBO Register Filing (UK/EU)
Companies House / EU Commercial Register

PSC (UK) or UBO Register (EU member states) filing for Thai-owned entities.

7-21 days · 8,000-25,000 บาท + ค่าธรรมเนียมต่างประเทศ
FinCEN BOI Report (US CTA 2024)
FinCEN (online portal)

UBO report under the US Corporate Transparency Act 2024 — mandatory for US-formed entities (incl. Thai-owned).

5-14 days · 12,000-28,000 บาท
Domicile Election / Statutory Residence Test
Tax adviser + lawyer

Domicile/residence analysis (UK SRT, IRC §7701(b), AU 183-day test) for inheritance and worldwide-income planning.

7-21 days · 15,000-50,000 บาท
Treaty Benefit Claim
Income recipient + foreign tax authority

Treaty benefit claim (Form 8833 US, DT-Individual UK, 17 Mod EU) to avoid double taxation.

10-30 days · 5,500-12,000 บาท

Cross-border tax services

Treaty / IGA partner jurisdictions

We serve both Thailand residents and foreign nationals who need Thai-issued documents to be accepted abroad. Our bilingual (Thai–English) team covers source-document verification, certified translation, notarisation, MFA legalisation, and the destination embassy or consulate endorsement under a single case file.

Why this matters

Our Tax Residency / FATCA / CRS desk handles one of the highest request volumes in the firm — currently spanning dozens of primary categories, each with its own evidentiary checklist, certification chain, and turnaround. Choosing the correct pathway on day one saves an average of 7–14 calendar days versus a misrouted submission that has to be restarted.

Because tax residency / fatca / crs sits at the intersection of Thai administrative law and the destination authority's evidentiary rules, the cost of a misstep is rarely the filing fee — it is the lost window. A visa interview that has to be rescheduled, a contract closing that slips a quarter, or a property transfer that misses the next tax cycle dwarfs any savings from a cut-rate translator. Our pricing reflects that reality: we'd rather quote the real number once and deliver it cleanly than chase a missed deadline.

How we deliver it

Our standard workflow has five gates: (1) source-document assessment and pathway recommendation within one business hour; (2) preparation and certified translation by registered translators; (3) notarisation by a licensed Notarial Services Attorney; (4) MFA Chaeng Watthana submission with daily tracking; (5) destination embassy or consulate endorsement, with the final dossier hand-delivered or shipped back to you under signature.

  1. Intake & free document review (≤1 business hour).
  2. Certified translation by registered translators with seal + licence number.
  3. Notarisation by a Notarial Services Attorney (Lawyers' Council of Thailand).
  4. MFA Chaeng Watthana endorsement (Department of Consular Affairs).
  5. Destination embassy / consulate finalisation + return delivery.

Document readiness before filing

Tax Residency / FATCA / CRS matters most when the filing window is narrow and the receiving authority applies its checklist strictly. Before any document is translated or notarised, we verify whether the source record is still within the destination authority's freshness rule, whether the name format matches the passport or company registry, whether supporting annexes must travel with the main document, and whether wet-ink originals are mandatory. This pre-flight stage is where most avoidable delays are prevented.

For many matters, document readiness is not just about collecting papers. It includes sequencing. Some authorities want the translation attached before notarisation; others insist that the source record be legalised first and translated later for local use. Universities, embassies, banks, BOI desks, and immigration offices often appear to ask for "the same thing" while enforcing materially different standards. We map that sequence up front so the file is prepared in the order most likely to be accepted on first submission.

Common pitfalls we prevent

The most common cause of rejection for first-time clients is using a source certificate that fails the destination authority's freshness rule (Thai household registrations older than six months, for example), translations missing the translator's licence number, or chain-of-certification steps performed in the wrong order. We screen for all three before any fees are incurred.

  • Stale source records (e.g. household registrations older than 6 months).
  • Translations missing the translator's licence number or seal.
  • Chain-of-certification steps performed out of order.
  • Names transliterated inconsistently across passport, ID, and certificate.

Transparent pricing & turnaround

All fees appear in a single transparent quote that bundles government charges, courier (EMS/Kerry), and attorney work — no hidden surcharges. Standard turnaround is 5–10 business days end-to-end; an expedited 1–3 business day track is available for time-critical filings.

Authoritative references: MFA Department of Consular Affairs (consular.mfa.go.th), Hague Conference on Private International Law (hcch.net), Lawyers' Council of Thailand (lawyerscouncil.or.th).

Quality control, evidence & accountability

Every tax residency / fatca / crs file we handle moves through a named-responsibility chain. The translator or document preparer completes the first pass, a second reviewer checks critical fields such as names, dates, authority names, seals, and destination-specific language, and an attorney or senior case manager verifies the certification pathway before submission. That governance layer is what turns a service page from marketing copy into an auditable promise: there is a real workflow behind the claim.

This is also central to E-E-A-T. Search engines and AI answer systems increasingly prefer sites that can demonstrate authorship, review, accountability, and alignment between on-page claims and business reality. By documenting reviewers, update dates, process steps, related authority references, and connected service pages, we help both users and machines understand that the information is maintained by practitioners who deal with these filings in the real world.

Frequently asked questions

How long does Tax Residency / FATCA / CRS take?

Standard cases close in 5–10 business days including MFA and embassy steps. Expedited track is 1–3 business days for an additional fee.

What documents do I need to prepare?

Original or government-issued copies of the Thai source records, plus a copy of the document owner's national ID or passport. We review your bundle for free before any work begins.

Do I have to appear in person?

In most cases, no — a signed power of attorney is sufficient. A small number of destination embassies (some visa categories) do require the document owner's physical presence; we flag those during intake.

Is the quote final?

Yes. Quotes are turn-key and include every government and courier fee. Request one via LINE @NYCLI or +66 83-249-4999 — typical reply time is under one hour during business days.

Do you serve clients outside Bangkok?

Yes. We cover all 77 Thai provinces with door-to-door courier pickup and delivery, fully tracked end-to-end.

Which destination countries are supported?

168 destinations including the 125 Hague Apostille jurisdictions and Non-Hague destinations that require in-Thailand embassy endorsement. See the Legalization hub for the full directory.

Reviewed by: Atty. Pakin (Senior Partner — NYC Legal & Notary Services Co., Ltd.) · Last reviewed: 2026-07-27

Step-by-step · How it works

How to obtain a Thai Tax Residency Certificate (R.O. 22)

⏱ Estimated time: 10 days฿ From 4,500 THB
  1. Check DTA (Double Tax Agreement) coverage

    Thailand has DTAs with 61 countries — confirm coverage and reduced withholding rates.

  2. File Form C.10 at the Revenue Department

    Submit Form C.10 with income evidence (P.N.D. 90/91), national ID, and passport entry/exit stamps.

  3. Receive the certificate (R.O. 22)

    The Revenue Department issues R.O. 22 (English) within 5–10 working days.

  4. MFA + Apostille / Embassy

    Take R.O. 22 to MFA Consular Affairs, then Apostille or destination embassy — some countries require originals only.

  5. File with the destination tax authority

    Submit the certificate alongside the destination's withholding-tax form to claim reduction or refund of tax already withheld.