(1)  The Director of Building Control may authorise or accredit a building, or plumbing, product for the purpose of this Act.

(2)  The Director of Building Control may accredit a plumbing installation for use under this Act.

(3)  An accreditation under subsection (1) or (2) may be subject to any condition the Director of Building Control determines.

(4)  The Director of Building Control must publish an accreditation under this section and any condition that applies to the accreditation before the accreditation takes effect.

(5)  A product, or plumbing installation that is accredited or authorised under this section is taken to be an accredited product for the purpose of the National Construction Code.