In August 2019 the Voluntary Assisted Dying Bill 2019 was introduced into the Western Australian Parliament.

On 10 December 2019 the Bill completed passage through Parliament and received Royal Assent on 19 December 2019.

Part 1 of the Act (other than divisions 2 to 4) commenced on Royal Assent and the rest of the Act commenced upon proclamation on 1 July 2021.