Certified copies are the step where being overseas causes the most avoidable trouble, for one blunt reason: whoever certifies the copy has to see the original. Not a scan, not a photograph, not a previously certified copy. The original. That single requirement dictates almost everything about how to handle this from abroad.
The second thing to settle is direction. "Certified copies from overseas" covers two different problems, and they have different answers.
An Australian document, to be used overseas. You hold an Australian degree, birth certificate or licence and a foreign employer, university or ministry wants a certified copy. The copy will normally need to be certified by an Australian notary, then apostilled or legalised, because that is the only chain the foreign authority can verify.
A foreign document, to be used in Australia. You hold a document issued in your current country and an Australian agency, university or bank wants a certified copy. Here an Australian notary is usually not involved at all, and often not wanted. The Australian recipient will normally accept certification by a notary in the country where you are, or by an Australian consular officer, and may require an apostille from that country plus a translation.
People routinely solve the wrong one of these. Work out the direction before you book anybody.
Your realistic options, in rough order of how often they work:
Send the original to Australia. Someone here — an agent, a relative, a document service — takes it to a notary, obtains the certified copy, and arranges any apostille. The original comes back to you, or stays with them. This is the most reliable route and the one foreign authorities are least likely to argue with. Use a trackable courier and accept that the freight legs will dominate the timeline.
Ask the issuer for extra originals. Australian registries, universities and courts will often issue additional certified originals on request, sent to an Australian address. This is frequently cheaper and faster than moving your only original twice, and it removes the risk of losing it in the post. Consider this first.
Use an Australian notary remotely, if the act and the authority permit it. Some states permit certain acts to be performed by video link, and those arrangements have changed repeatedly since 2020 and differ by jurisdiction. Even where remote execution is lawful here, a true-copy certification made without the notary handling the original is the kind of act foreign authorities most often refuse. Check the current state rules and ask the receiving authority before relying on it.
Use the Australian mission where you are. Australian embassies, high commissions and consulates provide notarial services, though the range varies by post. Ask the specific post what it offers and what it charges — fees are set out in the published consular fee arrangements.
Here the question is whose certification the Australian recipient will accept. Australian agencies vary, and their published requirements are the authority, not general advice. Common positions:
Almost always, a document not in English will also need a translation, and Australian agencies commonly expect one from a translator certified by NAATI. That has a practical consequence: the translation is often better done in Australia even when the certification is done abroad.
Before paying for anything, ask the body that will receive the copy:
That third question is the whole ball game for anyone overseas, and it is decided by the receiving authority, not by Australian law. An act can be entirely valid here and still be refused by a foreign ministry — and the reverse is true too: a perfectly proper certification by a foreign notary can be refused by an Australian agency that wanted something else. Ask, get it in writing, then book.
Can a notary certify from a scan I email from overseas? As a general rule, no. Certification asserts that the copy matches an original the certifier examined. Some limited electronic arrangements exist in some places for some document types, but treat this as the exception and confirm with the receiving authority.
Can I certify a copy of an already certified copy? Normally no. The chain has to lead back to the original.
Is an Australian JP's certification useful overseas? Generally not. There is no international mechanism to verify it, and DFAT authenticates notaries, not Justices of the Peace. If it is leaving the country, ask about a notary.
My document is already apostilled. Can I just send copies? Only if the receiving authority says so. Many require the apostilled original, or a fresh certified copy of it.