The Citizens Initiated Referenda Act 1993 allows any person to start a petition asking that a national referendum be held.
First you need to have the Clerk of the House of Representatives determine the referendum question and approve the petition form. Then you can collect signatures to get the public's support for the referendum question.
Any advertising must include an authorisation statement setting out the name and address of the person at whose direction it is published.
There is a $50,000 spending limit on advertising promoting or opposing a petition, and there is a $50,000 spending limit on advertising promoting or opposing either of the answers in a referendum.
A referendum will be held if 10% of enrolled electors sign a petition calling for a referendum.
The Government may or may not decide to act on the result of the referendum.