Country guide · Asia

Thailand

Apostille Convention enters into force 28 February 2027 Overseas service by assessment

Thailand has acceded to the Apostille Convention; it enters into force on 28 February 2027. Until then, documents generally require DFAT authentication and Royal Thai Embassy legalisation.

Status source: HCCH Apostille Convention status table, checked 18 October 2026. The receiving authority's own requirements always take priority.

Australian documents going to Thailand

Usually: DFAT authentication + embassy legalisation

Until the Convention enters into force for Thailand, documents generally need a DFAT authentication certificate, followed by legalisation from Thailand's embassy or consulate in Australia.

1
Notarise if needed

Private documents and copies first go to an Australian notary public.

2
DFAT authentication

Issued by DFAT.

3
Embassy / consulate legalisation

Requirements and fees confirmed for your document.

Documents issued in Thailand

Usually: Thailand's legalisation chain

Documents issued in Thailand are generally certified through local authorities (often the foreign ministry) and then legalised by the embassy or consulate of the country where they'll be used.

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This guide is general information, not legal advice, and describes typical pathways only. Always confirm the exact requirements with the authority that will receive your document. Apostille Express is an independent service and is not affiliated with DFAT or any embassy.

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