0 an official certificate from a government that makes a document from one country acceptable in another, or the system of using such certificates:
If the High Court has any doubt about the authenticity of the Australian documents provided, it may request an Apostille.
Apostille is a method of certifying a document for use in another country.
For countries that are signatories to the Hague Convention, it is sufficient to legalize the documents with the corresponding Apostille.
Can I have my criminal history search results authenticated through an apostille?
a standard certificate of apostille