(1) The blue flag described in Schedule 1, being the flag a reproduction of which is set out in Part I of Schedule 2, is declared to be the Australian National Flag.
(2) The blue flag referred to in subsection ( 1) ceases to be the Australian National Flag if, and only if:
(a) a new flag or flags, and the flag referred to in subsection ( 1), are submitted in each State and Territory to the electors qualified to vote for the election of members of the House of Representatives; and
(b) the new flag, or one of the new flags, is chosen by a majority of all the electors voting.
(3) The form and manner in which a proposal for a new Australian National Flag is submitted to electors, and the manner in which a vote on the proposal is taken (which may include the adoption of a form of preferential voting for choosing among 3 or more flags), and arrangements for adopting a new flag as the Australian National Flag if chosen as mentioned in subsection ( 2), are to be as the Parliament prescribes.
(4) In this section:
"Territory" means any Territory referred to in section 122 of the Constitution in respect of which there is in force a law allowing its representation in the House of Representatives.