Under the Planning, Development and Infrastructure Act 2016 (SA), a number of ‘relevant authorities’ are able to assess and make decisions about development applications. These ‘relevant authorities’ include:

See 'Planning and Development – Assessment Authorities'.

State Planning Commission

The State Planning Commission (SPC) is a special statutory body responsible for certain types of development or development in certain areas. The SPC is also the relevant authority if a local council is itself the developer or has a conflict of interest over the development. The Planning, Development and Infrastructure Act 2016 (SA) [see s 94] and Planning, Development and Infrastructure (General) Regulations 2017 (SA) [reg 23 and Schedule 6] set out the different circumstances in which the SPC is responsible for a particular development. The SPC is the relevant authority in relation to these proposed developments:

Where the State Planning Commission is the relevant authority and the proposal involves building work, the SPC can refer the building aspects of the assessment to the council or a building certifier [Planning, Development and Infrastructure Act 2016 (SA) s 99(1)].