"building certifying function" is doing any of the following—
(a) carrying out building assessment work, other than a part of building assessment work that, under section 46 , a referral agency may carry out;
(b) the giving of a certificate (a
"compliance certificate" ) in the approved form that, other than for aspects of building assessment work that under section 46 must be assessed by a referral agency, states building work complies with the building assessment provisions;
(c) for a building development approval—inspecting the building work to decide whether to certify the work;
(d) for building work for a single detached class 1a building or a class 10 building or structure, the giving of—(i) a certificate in the approved form for the stage of the building work that is after excavation of foundation material and before the footings for the building are laid; and(ii) a certificate (a
"final inspection certificate" ) in the approved form for the final stage of the building work;
(e) the giving of a certificate of occupancy for a building or structure of another class.