For the purposes of the definition of mandatory notification stage in section 3(1) of the Act, in relation to the construction of a new building or alteration to an existing building, the following stages of building work are prescribed—
(a) before placing a footing;
(b) before pouring an in situ reinforced concrete member that is specified in the relevant building permit by the relevant building surveyor;
(c) the completion of framework;
(d) during the carrying out of building work specified in the relevant building permit by the relevant building surveyor for the purposes of any inspection required by regulation 172;
(e) final, on the completion of all building work.