(1) In accordance with Part 6 of the Act, the building code shall be the building code set out in Schedule 1.
(2) Except as otherwise provided by the Act, each building shall achieve the performance criteria specified in the building code for the classified use of that building, and, if the building has more than 1 classified use, any part of it used for more than 1 classified use shall achieve the performance criteria for each such classified use.
(3) The classified use or uses of a building or part of a building shall be the ones that most closely correspond to the intended use or uses of that building or part of that building.
Regulation 3: continued in force, on 31 March 2005, by regulation 8(2)(a) of the Building (Forms) Regulations 2004 (SR 2004/385).