The Constitution Alteration (Corporations) Bill 1912,[1] was an unsuccessful proposal to alter the Australian Constitution to extend the Commonwealth legislative power in respect to corporations that was put to voters for approval in a referendum held in 1913.

The proposal was to alter the text of section 51 of the Constitution to read as follows:[2] 51.

The Parliament shall, subject to this Constitution, have Legislative power to make laws for the peace, order, and good government of the Commonwealth with respect to: The 1911 referendum asked a single question that dealt with trade and commerce, corporations and industrial matters.

This resolution separated each of those matters into a different question.

On each of the many occasions a similar question was asked at a referendum the public decided not to vest power in the Commonwealth over these matters.