(1) The installation, alteration or removal of the following is exempt building work for part 3 (Building work) and part 6 (Residential buildings—statutory warranties, insurance and fidelity certificates):
(a) an externally mounted photovoltaic panel or solar water heater for a class 1 or class 10a building, if the building work—
(i) does not involve any alteration that would affect the structural sufficiency or stability of the building; and
(ii) does not affect the building complying with the building code;
(b) an externally mounted airconditioning unit for a class 1 or class 10a building, if—
(i) the building work does not involve any alteration that would affect the structural sufficiency or stability of the building; and
(ii) the building work does not affect the building complying with the building code; and
(iii) the unit is not the main source of ventilation—
(A) if the unit is installed for a particular room—for the room; or
(B) if the unit is installed for a building—for that building.
Note The building code includes standards for load bearing and waterproofing.
(2) In this regulation:
"solar water heater", for a building, means a solar water panel designed to be mounted externally, together with any hot-water tank that holds water heated by the panel.