(1) Despite anything to the contrary in the BCA, the relevant building surveyor must accept that the bushfire attack level is 12·5 when determining the construction requirements that apply to a building if—
(a) the building is to be constructed in a designated bushfire prone area; and
(b) the bushfire attack level for the site—
(i) is determined as LOW by the relevant building surveyor; or
(ii) must be accepted by the relevant building surveyor as LOW under regulation 156.
(2) In this regulation "building "means—
(a) a Class 1, 2 or 3 building; or
(b) a Class 10a building that is associated with a Class 1, 2 or 3 building; or
(c) a deck that is associated with a Class 1, 2 or 3 building; or
(d) a specific use bushfire protected building.
Regulation 158 inserts a definition of Specific use bushfire protected building into the BCA Volume One.