State Environmental Planning Policy (Exempt and Complying Development Codes) 2008
5.7 Specified complying development
The construction, installation or alteration of a mechanical
ventilation system on a building that is used as bulky goods premises,
commercial premises, premises for light industry or a warehouse or
distribution centre is development specified for this code if it is not
carried out in a heritage conservation area or a draft heritage conservation
area or at premises located on bush fire prone land.