The function of a Notary Public is to draw up and authenticate documents, administer oaths, attest and witness execution of documents, verify copies of documents and note bills of exchange.
Whilst a Solicitor or Justice of the Peace can carry out most of these functions, they are not recognised overseas and the majority of overseas countries will only recognise documentation notarised by a Notary Public.
For the purposes of authentication, most countries require commercial or personal documents that originate from or are signed in another country to be notarized before they can be used or officially recorded or before they can have any legal effect.
In New South Wales, the Supreme Court appoints persons as a Notary Public. Amanda Blackman was appointed a Notary Public by the Supreme Court of New South Wales in 2009.