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Apostille vs consular legalisation for Thai documents

Apostille does not replace the existing route everywhere — it applies only between Convention parties, and only once Thailand starts issuing them.

Apostille (Hague Convention 1961)

Only for Convention states — for Thai documents, Not available until 28 February 2027

Certifying authority
Department of Consular Affairs, MFA, as the Competent Authority
Indicative timeline
Variable, per the authority's announced service cycle
Pitfalls / common rejections
Assuming it works for every country; some receivers still require a certified translation

Consular legalisation + destination embassy

The destination is not a Convention party, or transition rules still apply

Certifying authority
Department of Consular Affairs, then the destination embassy in Thailand
Indicative timeline
Variable — days to several weeks depending on embassy queues
Pitfalls / common rejections
Non-conforming translations or outdated certified copies get rejected

Translator-accredited route (e.g. NAATI for Australia)

The receiving authority specifies a translator standard

Certifying authority
A translator accredited under that country's system
Indicative timeline
Variable with page count
Pitfalls / common rejections
Using an unrecognised translator means redoing the whole set

Note: Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before you plan. If you would rather not test routes by trial and error, our advisers (15+ years of casework) can assess your case and handle the whole chain for you.

See the document checklist for this service

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