Apostille or Embassy Legalisation: What Oman Requires

Last reviewed: 26 September 2026. Country requirements change. This page is re-checked periodically, and nothing on it replaces confirming the position with the Omani body that will receive your document.

Oman is a split case, and the split is written down. Oman is a party to the Apostille Convention, so a birth certificate, a degree or a court order usually needs a DFAT apostille. But Oman has formally declared that, in its view, the Convention does not apply to commercial or customs documents. For an exporter's invoice or certificate of origin, or a company's trade contract, expect the older route through the Omani embassy instead.

Check the current position before acting on this or any other page. Convention membership, and a country's declarations, are live facts. Confirm Oman's status and declarations against the HCCH status table for the Apostille Convention on the day you start. Oman has been a party since 2012.

Oman's declaration, in plain terms

The HCCH status table records a declaration by Oman, dated March 2021, confirming its position on the Convention's scope. Oman says the Convention:

• applies only to civil public documents of the kinds the Convention lists: court documents, administrative documents, notarial acts and official certificates placed on private documents;
• does not apply to commercial and customs documents, whatever their type, origin or value; and
• does not apply to documents issued by diplomatic or consular agents.

The Convention already excludes some commercial and customs documents, but Oman's declaration puts its position beyond argument. For Australians the practical effect is two different routes.

Personal and civil documents: apostille

For birth, marriage and death certificates, degrees and transcripts, police checks, court orders and notarised personal documents such as an affidavit or a personal power of attorney, the usual chain is:

1. Notarise in Australia, if the document is a private one
2. DFAT apostille
3. Arabic translation, if the receiving body requires one

Registry-issued certificates may be able to go to DFAT directly without a notary. Confirm with DFAT.

The Omani embassy also lists certification of civil documents among its services. If an Omani body asks you for embassy certification on top of an apostille, ask it to confirm that in writing before you pay for both.

Commercial documents: authentication and the embassy

For commercial invoices, certificates of origin, trade contracts, agency agreements and similar documents, plan on the legalisation route:

1. Chamber of commerce certification or notarisation in Australia, as the document requires
2. DFAT authentication (not an apostille)
3. Certification by the Embassy of Oman in Canberra, which lists certification of commercial documents among its consular services
4. Any attestation the receiving body requires in Oman

Oman's Foreign Ministry publishes a fee schedule for attesting trade agencies, trade contracts, certificates of origin and trade invoices, the last charged by invoice value. Before shipping, ask your Omani buyer, agent or the ministry concerned which steps they need, and whether the ministry's attestation is required as well as the embassy's.

The Melbourne consulate has closed

Older guidance, including some still circulating from agents, sends Omani legalisation to a consulate-general in Melbourne. According to the Omani Foreign Ministry, Oman established its embassy in Canberra by decree in September 2023, and a notice from the Melbourne consulate announced that it would close permanently at the end of 2023. Documents should go to the embassy in Canberra. Check its current instructions before sending anything.

Attestation in Oman by electronic lodgement

Oman's Foreign Ministry says attestation is no longer offered directly at its own consular department and is now handled through Oman Post, electronically or at selected branches. It says the electronic service has been launched for a list of countries, which includes Australia, so that applicants can complete attestation without visiting an Omani embassy or consulate abroad.

Whether your document can use that service, and whether it replaces or follows the embassy step, depends on the document. Ask the Omani receiving body, and check the service's own instructions, before choosing a route.

Powers of attorney

If you are an Omani citizen, the embassy lists certification of official authorisations for Omanis, which may suit a power of attorney for use in Oman. Anyone else will usually sign before an Australian notary, then obtain a DFAT apostille for a personal power of attorney. A power of attorney for commercial purposes may fall on the commercial side of Oman's declaration. Ask the Omani lawyer or company which route they will accept, and get their wording first.

Arabic translation

Omani government bodies work in Arabic. Ask the receiving body whether it accepts an Australian NAATI translation or wants one made in Oman, and whether the apostille or authentication must be translated too. If it must, translate after the Australian steps are complete.

Frequently asked questions

My certificate of origin was apostilled and refused. Why? Most likely because Oman does not accept the Convention for commercial documents. It needs the authentication and embassy route.

Is a DFAT authentication the same as an apostille? No. They are different certificates. Ask DFAT for the one your document's route requires.

How long does it take? It depends on DFAT processing, the embassy and any step in Oman. Do not plan to a figure quoted on a blog, including this one.