Form W-9 (US Person) â Australia ðĶðš
Australian Taxation Office (ATO) · AU-Thailand DTA 1989
Australian Taxation Office (ATO) only accepts the Form W-9 (US Person) with certified English (NAATI) translation and āļŠāļāļēāļāļāļđāļāļāļāļŠāđāļāļĢāđāļĨāļĩāļĒ legalisation.
End-to-end: bank self-certifications â TRC â DTA claims â UBO disclosure â FinCEN BOI â exit-tax planning.
Why Australia insists on this document: 183-day test + ordinary residence + domicile + superannuation tests · NAATI translation required.
FATCA IGA: Model 1A · CRS: participating · Treaty: AU-Thailand DTA 1989.
End-to-end: prepare Form W-9 (US Person) at US Person / Green Card holder (1-2 days) â English (NAATI) translation â MFA â āļŠāļāļēāļāļāļđāļāļāļāļŠāđāļāļĢāđāļĨāļĩāļĒ (~THB 2,400-3,200) â Australian Taxation Office (ATO).
First-pass acceptance: 97-99%.
Coverage
How it works
- 1
Destination checklist
Map Australian Taxation Office (ATO) requirements against income / accounts / entity structure.
- 2
Prepare Form W-9 (US Person)
Filed at US Person / Green Card holder (1-2 working days).
- 3
English (NAATI) translation
Registrar-listed translator with FATCA/CRS/UBO glossary.
- 4
MFA legalisation
Chaeng Wattana â 2-3 working days.
- 5
āļŠāļāļēāļāļāļđāļāļāļāļŠāđāļāļĢāđāļĨāļĩāļĒ attestation
Embassy fee ~THB 2,400-3,200.
- 6
File with Australian Taxation Office (ATO)
Online portal, DHL, or submission at the destination embassy in Bangkok.
Frequently asked questions
Does Australia accept Thai Apostille?
No â āļŠāļāļēāļāļāļđāļāļāļāļŠāđāļāļĢāđāļĨāļĩāļĒ attestation is required.
Which Thai-Australia treaty applies?
AU-Thailand DTA 1989
FATCA IGA Model?
Model 1A â banks report via the Thai Revenue Dept.
CRS participating?
Yes â Thailand AEOI in force since 2023.
Translation language?
English (NAATI), by a translator accepted by the destination authority or the Thai MFA.
Estimated total cost?
1,500-3,000 āļāļēāļ + translation THB 1,000-2,000/page + MFA THB 400 + embassy THB 2,400-3,200 + Australian Taxation Office (ATO) fees.
Timeline?
7-21 working days preparation + 14-60 days for destination approval.