Why Taiwanese clients need BOI Promotion Amendment
Who needs it: āļāļđāđāđāļāđāļĢāļąāļ BOI āļāļĩāđāļāđāļāļāļāļēāļĢāļāļĒāļēāļĒāļāļīāļāļāļēāļĢ Â· āđāļāļĨāļĩāđāļĒāļāđāļāļĨāļāđāļāļĢāļ·āđāļāļāļāļąāļāļĢ.
Taiwanese clients pursuing "Electronics/auto-parts BOI factories + family condos in Bangkok" in Thailand typically need BOI Promotion Amendment before launching or buying.
Even without a special treaty, Taiwanese clients use the Thailand-Taiwan DTT to avoid double taxation. We obtain the Certificate of Residence for you.
What you get with NYC Legal
âĒ āļĢāļąāļāļĐāļēāļŠāļīāļāļāļīāļāļĢāļ°āđāļĒāļāļāđ âĒ āđāļāļīāđāļĄāļāļģāļĨāļąāļāļāļēāļĢāļāļĨāļīāļ
Thailand â Taiwan Double Tax Treaty
Thailand has a DTT with Taiwan preventing double taxation on dividends, interest, royalties, rent and capital gains.
We obtain the Certificate of Residence (R.O.21/22) translated into Mandarin Chinese (Traditional) so you can file the credit with Taiwan tax authorities.
For BOI â we handle promotion privileges and tax exemption applications end-to-end.
Documents & process for Taiwanese clients
Passport + visa + Work Permit (if held) + Thai Tax ID.
Source-country business or income documents from Taiwan, translated to Thai + MFA + Thai Embassy legalisation in Taiwan.
Workflow: 1) Free consult in Mandarin Chinese (Traditional) 2) Document audit 3) Petition/return preparation 4) Filing & follow-up 5) Monthly/quarterly summary report.
Fees & turnaround
Starting at quoted on request · 30â60.
Taiwanese clients on a monthly retainer save 15â25% and receive a free Quarterly Tax Review.
Invoices issued in Mandarin Chinese (Traditional) so you can claim the deduction back home under the DTT.
FAQ
Do Taiwanese nationals pay Thai tax if they stay under 180 days?
No â you are not a Thai tax resident. Only Thai-sourced income (e.g. rental from a Thai condo, salary from a Thai employer) is taxable.
What does BOI Promotion Amendment start at?
From quoted on request + 7% VAT â fixed quote before we start.
How long does it take?
30â60 at BOI once documents are complete.
How does the Thailand-Taiwan DTT actually reduce my tax?
We obtain the Certificate of Residence from the Revenue Department, then you file it with the Taiwan tax authority to credit the Thai tax already paid â up to 100% of the overlap.
Can this be done while I'm overseas?
Yes â sign a POA + courier documents via DHL. We file and return the receipts.






