Legislation, Regulations and Code of practices for each state can be selected by the links below.

Safe Work Australia is the national policy body responsible for the development and evaluation of the model WHS laws (the model laws), which are comprised of the: WHS Act,  WHS Regulations Codes of Practice.
The model laws have been developed for implementation by all jurisdictions (that is, the Commonwealth, states and territories). However, they do not apply in a jurisdiction unless the jurisdiction has separately taken action to implement the laws as their own WHS laws.