Building Act 1993

An application for a certificate of substantial compliance may be made to a building certifier by the owner of a building or by the owner's agent.

An owner or owner's agent may apply for a certificate of substantial compliance:

after carrying out building work in or on a building of a class prescribed by regulation; and

if all building work specified in the building permit that is essential to the class of the building was carried out while the building permit was in force.

Note for section 72A

An application for a certificate of substantial compliance may be made before or after the expiry of the building permit for the building work to which the application relates.