Statutory declarations and affidavits prepared for Australian authorities
Short answer
A statutory declaration is a written statement of fact that the declarant signs in front of an authorised witness. It is used when no official record proves the point directly — a relationship, a period of living together, or a gap in the paperwork. Federal matters use a Commonwealth statutory declaration, signed before a person on the prescribed list. Declarants outside Australia usually sign before an Australian consular officer or a notary public. Thai supporting documents must be accompanied by an English translation that identifies the translator. Drafting and assembling a set normally takes 1–3 business days, excluding the witness's own queue.
Key facts
| What the document is | A written statement in which the declarant confirms the facts are true, signed before an authorised witness, used where no official record can prove the point directly. |
|---|---|
| Common forms | Commonwealth statutory declaration for federal matters such as visas and payments · state or territory forms for state matters · affidavits for court proceedings. |
| Who can witness | Inside Australia: a person holding one of the prescribed occupations · outside Australia: an Australian consular officer or a notary public, as accepted by the receiving authority. |
| Language and translation | Australian authorities work in English. Thai attachments need a translation: produced in Australia it must come from a NAATI-certified translator; produced overseas it must show the translator's full name, address, contact details and qualifications. |
| Indicative timing | Drafting and assembly 1–3 business days · the signing appointment depends on the witness's availability. |
| Legal warning | Making a false statement in a declaration is an offence. The declarant must read and understand every line before signing. |
Documents usually required
Passport or identity document of the declarant
Used to prove identity to the witness and to keep the spelling in the declaration identical to the travel document.
Draft text of the statement
Numbered paragraphs in date order, limited to what the declarant personally saw or did, with no legal conclusions or opinions.
Annexures referred to in the text
Photographs, receipts, a lease, message records. Index them and make the annexure numbers match the paragraphs exactly.
Translations of Thai attachments
Every attached page translated in full, including stamps and signatures, with the translator's certification.
The authority's request letter
The email or letter stating what the declaration must address. It defines the scope so the statement answers the actual question.
Witness details
Name, occupation, registration number and office address, prepared before the appointment so no field is left blank.
Step by step
1) Confirm which instrument is required
Check whether the receiver wants a Commonwealth statutory declaration, a state form, or a court affidavit — the form and the list of authorised witnesses differ.
2) Draft the statement in numbered paragraphs
State provable facts with dates, places and the declarant's connection to the events. Avoid vague wording and avoid arguing the case.
3) Prepare annexures and translations
Translate every Thai attachment, number the annexures, and check that each person's name is spelled the same way across the whole set.
4) Sign before the authorised witness
The declarant signs only in the witness's presence — never in advance — and the witness signs and states their qualification on the same day.
5) Run a final check before lodging
Confirm every page carries the signatures the form requires, dates agree, and each translation is filed with its Thai original.
Why sets get returned
- Signing before meeting the witness, which invalidates the whole declaration.
- Using a state form for a federal matter, or the reverse.
- Attaching Thai documents with no translation, or omitting pages that carry stamps.
- Writing opinions and conclusions instead of facts, which reduces the weight given to the statement.
- Name spellings that differ from the passport, or a declaration date that does not match the witnessing date.
Prefer not to manage it yourself?
A good declaration lets the decision maker picture the events without guessing. Our team has prepared documents for Australian authorities for more than 15 years: we order the facts, flag the evidence that is still missing, and tell you in advance what is usually queried — before you spend another appointment fixing it.
Frequently asked questions
What is the difference between a statutory declaration and an affidavit?
Both are written statements of truth, but an affidavit belongs to court proceedings and is usually sworn or affirmed under the relevant procedural rules, while a statutory declaration is used in administrative matters such as visa applications or benefit claims. If the receiving body has not specified, ask before drafting, then follow the exact form they name.
How do I make a declaration for Australia while I am in Thailand?
It is normally signed before an Australian consular officer or before a notarial services attorney, depending on what the receiving authority accepts. Confirm the accepted witness type before booking the appointment, because some authorities name specific categories. Finalise the draft and all translations before the signing date so nothing has to be amended afterwards.
Does the declaration have to be in English?
The version lodged with an Australian authority should be in English. If the declarant does not read English, prepare a parallel Thai version so they genuinely understand what they sign, and attach a translation that identifies the translator. The controlling principle is that the declarant must understand the statement being signed.
What should a relationship statement cover?
Cover the four areas partner-visa decision makers assess: financial aspects, the nature of the household, social context, and the nature of the commitment. Write dated events and point to annexures such as a lease, a joint account or family photographs. Feelings alone, with no factual anchor, carry little evidentiary weight.
Does the witness who writes a supporting statement have to be Australian?
No. A supporting witness can be anyone with direct knowledge of the facts. What matters is that they explain when they met the parties, in what circumstances, and what they personally observed — and that the statement is signed before an authorised witness in the correct form. Nationality is not the deciding factor.
How long does a declaration stay valid?
The form itself carries no expiry, but receiving authorities generally want a declaration made close to the lodgement date because circumstances change. If several months pass and the facts have moved on, prepare a fresh declaration rather than editing the earlier one.
Can the text be amended after signing?
Not by hand. Crossing out or overwriting after signature invites questions about the document. The safe route is to prepare a clean version and sign again before an authorised witness. Where new facts arise later, make a separate supplementary declaration that refers to the first one.
How much of this can your team handle?
We read the authority's request, structure the facts, number the annexures, translate the entire Thai set, and check names and dates for consistency before the signing appointment — while keeping the content the declarant's own. Send the files through LINE and we will scope the work before anything starts.
Reviewed 13 August 2026. Always confirm the current requirement with the receiving authority before you lodge.