Ann: Quarterly Activities Report, page-41

The way the constitution is drafted there is also provision for the scenario of Western Australia not joining the federation as it was uncertain whether they would. Petitioning the Federal parliament to have that part of the constitution referring to NZ amended via referendum would be a waist of time.

"WHEREAS the people of New South Wales, Victoria, South Australia, Queensland, and Tasmania, humbly relying on the blessing of Almighty God, have agreed to unite in one indissoluble Federal Commonwealth under the Crown of the United Kingdom of Great Britain and Ireland, and under the Constitution hereby established:And whereas it is expedient to provide for the admission into the Commonwealth of other Australasian Colonies and possessions of the Queen:..."