A South Australian birth certificate is a genuine public record. A University of Adelaide testamur is a genuine qualification. A power of attorney signed in front of an Adelaide solicitor is a genuine legal instrument. And yet each of them can be handed back across a counter in Ho Chi Minh City, Milan or Dubai with a single line of explanation: this is not legalised.

The reason is simple enough. A clerk in a foreign ministry has no way of knowing whether the signature on your document belongs to a registrar, a chancellor or a stranger with a good printer. Legalisation solves that problem by building a chain of certification that the receiving country already trusts. Getting that chain right is not difficult, but it is unforgiving of sequence – and it is where most delays and refusals originate.

We covered when you need a notary public in an earlier article. This one goes a step further, into what happens after the notary's seal goes on.

Two Routes, and the Destination Decides Which

There are only two possible paths, and which one applies depends entirely on where the document is going.

An apostille is a single certificate issued by the Department of Foreign Affairs and Trade (DFAT) under the Hague Convention Abolishing the Requirement of Legalisation for Foreign Public Documents – the Apostille Convention. It is attached directly to your document, it confirms that the signature and seal on it are genuine, and every other country party to the Convention is obliged to accept it without further formality. One certificate, one government department, done.

An authentication is what DFAT issues when the destination country is not a party to the Convention. On its own it is not enough. The document must then be taken to the embassy or consulate of the destination country in Australia for consular legalisation – a second step, with its own fees, its own forms and its own processing times. The order is fixed: notarisation, then DFAT, then the consulate. A document taken to a consulate before DFAT has authenticated it will simply be returned.

One point that surprises people: DFAT will not tell you which one you need. Its published position is that only the overseas authority that asked for the document can say what it requires. Before anything else, ask the receiving university, bank, registry or court – in writing – exactly what they want and in what form.

Who Is In the Convention – Including Some Recent Arrivals

As at mid-2026 there were 130 contracting parties to the Apostille Convention, and the list has moved considerably in the last three years. Several of those changes matter a great deal to South Australian families and businesses:

  • China – in force since 7 November 2023. Documents for mainland China no longer need consular legalisation; an apostille is sufficient.
  • Canada – in force since 11 January 2024.
  • Algeria – in force since 9 July 2026.
  • Viet Nam – in force from 11 September 2026, days after this article is published.
  • Thailand – in force from 28 February 2027.

If your document is bound for Viet Nam or Thailand, the timing is worth thinking about carefully rather than assuming. A document presented before the Convention takes effect for that country still needs the older authentication-and-consulate route, and a consulate may keep applying its established process for a period afterwards. Where a deadline sits close to a commencement date, confirm the position with the receiving authority before you lodge anything.

There is also a wrinkle that rarely comes up but is worth knowing about. When a new country accedes, existing parties have a window in which to object, and where an objection is made the Convention simply does not operate between those two countries – so an apostille from one will not be accepted in the other. It is a further reason to confirm requirements with the receiving authority rather than relying on a general list of member states.

The Step Most People Miss: DFAT Will Not Touch Most Documents

This is the single most useful thing to understand about the process. DFAT will only legalise three categories of document:

  • originals issued by Australian government agencies or officials;
  • originals issued by Australian tertiary education institutions; and
  • copies notarised by an Australian notary public.

Everything else falls into the third category or nowhere at all. A contract, a company resolution, a statutory declaration, a power of attorney, a copy of your passport, a copy of a degree you are not willing to post interstate – none of these can go to DFAT as they stand. They become eligible only once a notary public has notarised them, because it is the notary's specimen signature and seal that DFAT holds on file and checks against.

That is the real function of a notary in this process. The notary is not adding a decorative stamp; the notary is the entry point to the chain. Without that step, a private document has nothing DFAT can verify.

It also explains why a Justice of the Peace cannot do this work. A JP's certification is perfectly good for domestic purposes, but there is no specimen on DFAT's file to check it against, and no international instrument that obliges a foreign authority to recognise it.

What South Australians Actually Send Overseas

In practice, the documents that come through an Adelaide notarial practice fall into a fairly consistent set:

  • Personal records – birth, marriage and death certificates issued by Births, Deaths and Marriages, for foreign marriages, citizenship applications, pensions and inheritance claims.
  • Qualifications – degrees and transcripts from the University of Adelaide, Flinders or UniSA, and AHPRA registration certificates, for overseas registration boards and employers.
  • Character and identity documents – national police checks and notarised copies of passports and drivers licences, usually for visa or employment purposes.
  • Powers of attorney – authorising a relative overseas to sell property, close a bank account or administer a deceased estate abroad. These almost always have to be drafted in the form the foreign jurisdiction expects, not the South Australian form.
  • Corporate documents – ASIC company extracts, constitutions, director and shareholder resolutions and certificates of good standing, for foreign subsidiaries, tenders and banking.
  • Single-status declarations – statutory declarations of freedom to marry, for weddings overseas.

Estate matters deserve a particular mention. Where a South Australian executor is dealing with assets held abroad – a European bank account, an apartment, a share parcel – the foreign institution will generally want notarised and apostilled copies of the grant, the will and the death certificate before it will release anything. That work sits alongside the ordinary estate administration, and it takes longer than most executors expect.

What It Costs and How Long It Takes

DFAT charges $105 per document for an apostille or an authentication, indexed to CPI each 1 January. The critical word is per document: a bundle of eight certificates is eight fees, not one. Notarial fees are separate again, as are consular fees where the destination is outside the Convention.

You can lodge with DFAT two ways. In person, by appointment, at an Australian Passport Office – Adelaide is one of eight offices nationally, and appointments must be booked in advance; someone can attend on your behalf. Or by registered post to the Authentications Section, at either the Melbourne or Sydney GPO box. If you post, you must include the completed request form, the original documents, credit card authorisation and a self-addressed registered post envelope. Incomplete mail requests are not processed – they are returned to you with a letter, and you start again.

Timing is the part worth planning around. DFAT checks each signature or seal against its specimen database and may need to contact the issuing authority, which adds time, and demand peaks at the end of the academic year and around holiday periods. Add the notarial appointment before it, and consular legalisation after it where required, and the honest planning horizon for an overseas deadline is weeks, not days. Australia does not currently issue electronic apostilles, so every step involves physical documents moving between offices.

Five Reasons Documents Come Back

Almost every rejection we see traces back to one of these:

  1. The document was signed before the appointment. A notary witnesses execution – they cannot certify a signature they did not see made. Bring documents unsigned unless you have been told otherwise.
  2. A JP certified the copy. Domestically fine, internationally inert, and it cannot be fixed by adding an apostille on top.
  3. The wrong chain was used. An apostille on a document bound for a non-Convention country, or a consular stamp obtained before DFAT authentication, means starting over.
  4. Names do not match. A maiden name on a degree, an anglicised spelling on a passport, a middle name on one document and not another. Foreign registries are strict about this, and the fix is usually a further notarised declaration of identity.
  5. Translation handled as an afterthought. Many countries require a translation to be bound into and certified as part of the notarial act, or completed by a translator they themselves accredit. A translation stapled on afterwards is often refused.

To that list add one quiet trap: some jurisdictions will only accept a certificate issued within the last three or six months, so an old birth certificate in the bottom drawer may need to be reissued by Births, Deaths and Marriages before any of this begins.

Getting the Order Right

Reduced to its essentials, the sequence is: confirm exactly what the receiving authority requires; obtain current original documents where originals are needed; have private documents and copies notarised; lodge with DFAT for an apostille or an authentication; and, if the destination is outside the Convention, take the authenticated document to that country's consulate. Every step depends on the one before it, which is why a mistake at the start is so expensive at the end.

How Zed Legal Can Help

We provide notary public services in Adelaide for documents that need to travel. We confirm what the destination country actually requires before anything is signed, draft or review powers of attorney and declarations in the form the foreign jurisdiction expects, notarise documents and certify true copies, and arrange the apostille or DFAT authentication so the document is accepted first time. Where the underlying matter is an immigration, corporate or estate one, the same firm can handle both sides of it.

If you have been asked for a notarised, apostilled or legalised document and are not sure what that means in practice, contact us at hello@zed.legal with the request you received and the deadline you are working to, and we will tell you what the chain looks like for your document.

This article is general information only and is current as at September 2026. It is not legal advice and does not take your circumstances into account. Fees, processing times and the list of countries party to the Apostille Convention change; requirements also vary between destination countries and between institutions within them. Please obtain advice specific to your document and destination before lodging anything.