Can I reuse a NAATI translation for a later application?
Yes, provided the source document has not changed. A certified translation does not expire on its own, but the receiving body may cap the age of the underlying document — for example a registry extract issued within the last three or six months.
In-depth Answer
The confusion here is between the age of the translation and the age of the source document.
NAATI sets no expiry for a translation, and Home Affairs does not impose one in its document-translation requirements.
What does expire are certain source documents, on rules set by the receiving body: a police certificate that many agencies want issued within twelve months, or a civil-status certificate that some registries want issued within three.
The safe practice is fourfold.
Keep the full signed and stamped PDF set.
Check the source document still reflects present facts — no change of surname or marital status.
If anything changed, even a title, order a fresh translation, because the old one will contradict the passport filed alongside it.
And where an agency wants a wet-signed printed set, order a new print run from the same practitioner rather than photocopying the old one.
Related questions
Documents most Australia visa applicants translate into English
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