The embassy or consulate certifies the signature on Thai, Australian or private documents so they can be used in Thailand. Australian documents must first be authenticated by DFAT, and private documents notarised before that.
Where to apply in Australia
Royal Thai Embassy, 111 Empire Circuit, Yarralumla ACT 2600, which serves the whole of Australia for these services (online booking; hours Mon-Fri 8:30-16:30). Also offered at the Royal Thai Consulate-General in Sydney.
Canberra in-person hours for legalisation 9:30-12:30 and 13:30-16:00; Sydney books through a Calendly link.
Contact details for every office are on the page of the embassy and consulates of Thailand.
How to apply
Authenticate the document with DFAT (private documents: notary first) | book an appointment and choose Legalisation, or post the documents with a prepaid registered B4 return envelope | pay by cash or money order
Documents you need
- Completed Application for Legalisation form
- Valid passport or other ID
- Original document already authenticated by DFAT in your state (the embassy does not accept apostilles)
- Thai government documents must first be authenticated by the Thai Foreign Ministry
Fees and processing time
- Official fee: AUD 25 per seal (Canberra); AUD 25 per document (Sydney); cash or money order, Sydney also debit card
Processing time: Not published.
Good to know
No publication date is shown on the Canberra or Sydney pages used.
Official sources
- canberra.thaiembassy.org/en/content/certified-documents
- sydney.thaiembassy.org/en/page/95788-legalisation?menu=5d847cc415e3…
Check before you apply
This page summarises information published by Thailand's official channels, last checked on 24 octubre 2026. Fees and requirements can change at short notice, so confirm with the office that will handle your case.
Spotted a change? Let us know.
More services of Thailand in Australia
- Bringing human remains or ashes into Thailand
- Certified translation
- Certified true copy of an embassy-issued document
- Emergency passport and emergency travel document
- Fingerprinting for Thai police clearance certificate
- Letter of consent (parental consent for a minor)
- Military draft deferment (students)
- Power of attorney
- Registration of divorce
- Registration of marriage
- Thai birth certificate (registration of birth)
- Thai death certificate (registration of death)
- Thai e-Visa
- Thai national ID card (renewal, replacement, changes)
- Thai passport - adult (new e-passport)
- Thai passport - minor (under 20)