An Apostille is another certificate which verifies the Notary Public who witnesses a document, or certified a copy, to be a true copy.
Certain countries require an Apostille or Authentication to authenticate the Notarial Seal. This is another certificate which verifies that Notary Public who witnesses a document, or certified a copy to be a true copy.
In Australia, this authentication is carried out by the Perth office of the Australian Department of Foreign Affairs and Trade:
Address: Level 17, Exchange Plaza, Sherwod Court, Perth WA 6001
Tel: 1300 935 260
Office Hours: 8:30am to 1:00pm Monday to Friday, no appointment necessary, but certificates can take a business day to prepare