BA3 – Certificate of Design Compliance (CDC)
Required for a Building Permit application. Confirms the proposed design complies with the NCC and applicable standards.
BA17 – Certificate of Construction Compliance (CCC)
Required for certain Class 2–9 buildings and Class 1b buildings to confirm the completed construction complies with the approved permit and NCC.
BA18 – Certificate of Building Compliance (CBC)
Used for existing or unauthorized structures to confirm compliance at the time of assessment (commonly required for retrospective approvals or building orders).
Forms Submitted to or Issued by the Local Government (Permit Authority)
BA2 – Application for Building Permit (Certified)
Submitted to the local government together with the BA3 (CDC).
BA4 – Application for Building Permit (Uncertified)
Alternative application process where the permit authority assesses compliance.
BA5 – Application for Demolition Permit
Required where demolition work is proposed.
Occupancy Permit Application (BA9 / BA11 as applicable)
Submitted to obtain permission to occupy certain completed buildings.