Northern Territory (Self-Government) Act 1978

The Northern Territory (Self-Government) Act 1978 is an Act of the Parliament of Australia that granted limited self-government to the Northern Territory. Although Australian territories can not have Constitutions, the self-government act functions in much the same way as the constitutions of the States.

Source: Wikipedia — Northern Territory (Self-Government) Act 1978 (CC BY-SA 4.0)