Section 54 of the Principal Act is repealed and the following section substituted:
“54 Occupation and use of buildings
“(1) A person must not occupy or use, or permit someone else to occupy or use, a building or part of a building unless—
(a) the building controller has issued a certificate of occupancy for the building or part of the building; or
(b) for a building erected or altered before the commencing date or to which the repealed laws continue to apply—a certificate in accordance with regulation 69A of the Canberra Building Regulations has been issued for the building or part of the building.
Penalty:
(a) in the case of a natural person—50 penalty units;
(b) in the case of a body corporate—250 penalty units.
“(2) If the building controller has issued a certificate of occupancy for only a part of a building (the ‘approved part'), a person must not use, or permit someone else to use, any other part of the building for which no certificate of occupancy has been issued, except for a purpose incidental to the use of the approved part.
Penalty:
(a) in the case of a natural person—50 penalty units;
(b) in the case of a body corporate—250 penalty units.
“(3) In this section—