How does BOI Promotion Amendment work and what is the starting fee?

BOI Promotion Amendment (แก้ไขบัตรส่งเสริม BOI) handled end-to-end by our tax specialists — from document prep to Revenue Department filing. From THB 30,000 within 30–60 days, with accuracy guarantee.

BOI Promotion Amendment | BOI | from THB 30,000

ประเด็นสำคัญที่ต้องรู้

Original document to be certified (or freshly issued certified copy within validity window)

1. Send scanned copies of source documents to us via LINE/email for free initial review.

Standard turnaround: 5-7 business days from receipt of complete originals.

Originals out of validity window — many destinations require documents issued within 3-6 months. Confirm with the destination authority first.

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

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.

Documents Required

Original document to be certified (or freshly issued certified copy within 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

Step-by-Step Process

1. Send scanned copies of source documents to us via LINE/email for free initial review.
2. Our team confirms eligibility, issues a written quote and a guaranteed 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 the relevant Thai authority in sequence.
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.

Timeline & Fees

Standard turnaround: 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.

Common Pitfalls & How to Avoid Them

Originals out of validity window — many destinations require documents issued within 3-6 months. Confirm with the destination authority first.
Name mismatch between document and passport — embassies reject these. Correct it at the district office before translating.
Using a translator without an official seal — MFA and embassies will not accept it; you'll restart the chain.
Skipping MFA legalization before the embassy step — wastes multiple trips and weeks of time.

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.

BOI Promotion Amendment

แก้ไขบัตรส่งเสริม BOI

Companies that plan tax well grow net profit by 5–15% without lifting top-line revenue. This page covers our BOI Promotion Amendment service from NYC Legal & Notary Services. Relevant authority: BOI. Lead time: 30–60. Service fee from THB 30,000. Our team combines licensed attorneys, CPAs, and former government officers.

THB 30,000

from

30–60

lead time

BOI

authority

What is BOI Promotion Amendment and who needs it?

BOI Promotion Amendment sits in the BOI investment promotion category. Typical clients: ผู้ได้รับ BOI ที่ต้องการขยายกิจการ · เปลี่ยนแปลงเครื่องจักร.

BOI Promotion Amendment interacts directly with the BOI. Filings must respect the prescribed form, timing and supporting documents. We track every announcement and ruling so clients capture the maximum benefit and avoid avoidable surcharges.

Benefits and risk reduction

Primary benefits: รักษาสิทธิประโยชน์ · เพิ่มกำลังการผลิต. These are not theoretical — they translate into recovered cash, faster refunds and lower effective tax rate.

Risk reduction: filing through a regulated professional shifts liability for technical errors away from the company's finance team and creates an audit trail that is much harder for an auditor or revenue officer to dispute.

Our delivery process

(1) Intake and document checklist (1 day) → (2) Document collection and review → (3) Drafting and quality assurance → (4) Filing with the BOI → (5) Follow-up on queries or assessments → (6) Closing report and supporting bundle for audit defence.

Lead time: 30–60. Express handling is available for time-critical filings such as VAT registration or BOI annual reports.

Frequently asked questions

Who is required to use BOI Promotion Amendment?

ผู้ได้รับ BOI ที่ต้องการขยายกิจการ, เปลี่ยนแปลงเครื่องจักร. We confirm applicability in your specific facts during the free consultation.

How long does it take?

30–60 on standard track. Express channels are available for many filings.

How much does it cost?

Service fee from THB 30,000 plus actual government fees. We provide a written fixed-fee quote before engagement.

Do you work with foreign-owned companies?

Yes — bilingual delivery and direct experience with BOI, FBL and treaty-based structures.

Can you defend us if the Revenue Department audits?

Yes. Audit defence and protest filings are a core part of our practice.