Using apostilled foreign documents in Thailand
In short
Before the Convention is in force for Thailand, foreign documents must be certified by the authorities of the issuing country and by the Royal Thai Embassy or Consulate there, then lodged for certification at the Department of Consular Affairs. Once the Convention is in force, apostilled documents from contracting states involve fewer steps, but Thai authorities still require a certified Thai translation under their own regulations.
Verify that the origin country is a contracting state
Party status and entry-into-force dates for each state are published in the HCCH status table, which is the authoritative source. Do not rely on a service provider's website alone.
A Thai translation is still required
Most Thai authorities require a Thai translation certified in line with their regulations, for example translation certification at the Department of Consular Affairs. Confirm the accepted format with the body handling your case.
Keep copies and reference numbers
An apostille carries a register number that can be verified with the issuing authority afterwards. Keep copies of the full set in case the receiving body asks for further verification.
Content reviewed August 2026. Sources: Department of Consular Affairs — deposit of the instrument of accession (1 July 2026) and HCCH — Apostille Section. General information only, not legal advice for a specific case. For service details, contact us by phone, LINE, or email.