Northern Territory Consolidated RegulationsFor section 40(a) of the Act, but without limiting that provision, a building certifier may rely on a certificate that work complies with the Act and these regulations given by:
(a) in relation to the compliance of the design of the building with these Regulations – an architect;
(b) in relation to the structure of a building – a structural engineer;
(c) in relation to the mechanical systems of a building – a mechanical engineer;
(d) in relation to the hydraulic services of a building – a hydraulic engineer;
(e) in relation to the plumbing, drainage work and on-site sewage disposal system of a building – a plumber or drainer;
(f) in relation to the design of the plumbing and drainage works and on-site sewage disposal systems – a plumber and drainer (design),
who is a registered building practitioner under the Act.