Thai documents for use in Australia: embassy legalisation or a NAATI translation?
In short
For Thai documents filed with Australian authorities the decisive requirement is the translation, not a second layer of certification at an embassy. Authorities such as the Department of Home Affairs require that a document not in English be accompanied by a translation meeting their published rules, and a translation produced in Australia must come from a NAATI-certified translator. Consular legalisation by the Thai Department of Consular Affairs is needed only when the receiving authority or a Thai government office states it in writing.
Who needs this
- • Applicants for any Australian visa stream holding Thai-language records — birth certificate, marriage certificate, house registration, police clearance.
- • Candidates lodging a skills or qualification assessment with an Australian assessing authority that sets translation rules for transcripts and degree certificates.
- • People dealing with an Australian government office or court that has asked for a Thai civil-status document.
Language and format required
English. The translation must cover the entire document including every seal, signature and marginal note, and carry the translator details the receiving system requires.
Step by step
1. Read the translation rule of the authority you are filing with
Open the page of the receiving authority — the Department of Home Affairs or your assessing body — and save the wording of its translation requirement as it stood on your filing date.
2. Order a fresh original from the issuing office
Request a newly issued copy from the district office, school or issuing authority so seals and signatures are legible, then scan in colour at high resolution, front and back.
3. Have it translated by a translator the destination accepts
Send the original together with the passport bio page so the spelling of every name in the translation matches the passport character for character.
4. Add consular legalisation only if it is required
Arrange legalisation by the Department of Consular Affairs only when the receiving authority or a Thai office says so. Otherwise it adds time and cost without changing the outcome.
5. Check the files before uploading
Confirm every page is present and readable, file names are descriptive, and file sizes fall inside the limits of the online lodgement system.
Points to watch
- • Embassy legalisation does not substitute for the translation standard an Australian authority sets.
- • No provider can guarantee a visa or assessment outcome; the decision rests with the authority.
- • Requirements differ between authorities, so a rule copied from another applicant's case may not apply to yours.
Apostille status you should know
Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026, and the Convention enters into force for Thailand on 28 February 2027 according to the HCCH. Once in force, Thai public documents used in another contracting party can carry an Apostille instead of the double legalisation step at an embassy. Before that date the existing consular-plus-embassy chain still applies, and documents destined for non-contracting countries will continue to require embassy legalisation afterwards.
Frequently asked questions
Does the Australian Embassy in Bangkok legalise Thai documents?
The Australian mission's services are published on its own website and generally do not include legalising Thai civil documents for visa filing. What Australian authorities ask for is a translation meeting their published rules, so check that requirement before arranging any legalisation.
My documents are already legalised by the Department of Consular Affairs. Do I still need a NAATI translation?
Usually yes. Consular legalisation and the translation standard are separate matters. If the receiving authority requires a translation from a NAATI-certified translator, a legalisation stamp does not replace it.
Can the translation be done outside Australia?
Published rules commonly distinguish between translations produced in Australia and those produced overseas, with different requirements for each. Read the specific authority's wording and keep a copy of it with your file.
Do I need the paper original in Australia?
Online lodgement systems generally take scans, but keep the paper original safe because an authority may ask to see it or request a certified copy later.
How long does the whole process take?
It depends on how quickly the issuing office produces a fresh original, the volume of documents and, where applicable, the current queue at the Department of Consular Affairs. Ask our staff for a timeline in working days once we have seen your scans.
What does it cost?
It depends on document count, page density and language pair. Send the scans by LINE, phone or email and our staff will quote before any work starts. Government fees are those published by the authority at the time of lodgement.
Other destinations and related pages
Official source
Content last reviewed: August 2026