One month's notice has to be given which means the first marriages can take place on January 9.
Same-sex marriage signed into law by the Governor General

PM Malcolm Turnbull and Attorney General receives the Marriage Amendment Act from Governor-General Sir Peter Cosgrove Source: AAP
Same-sex couples will be able to get married in Australia from early next month with the changes to the law coming into effect at midnight (Saturday, Dec 9).
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