(1) A person must not perform any of the functions, or exercise any of the powers, of a building surveyor under this Act in respect of work unless he or she (a) is engaged, by the owner of premises where the work is being performed, to perform the functions, or exercise the powers, of a building surveyor in respect of the work; or(b) is acting in accordance with a notice of the Minister under section 28(4) .Penalty: In the case of (a) a natural person, a fine not exceeding 100 penalty units; or(b) a body corporate, a fine not exceeding 500 penalty units.(2) A person engaged as a building surveyor under this Act must not perform any of the functions, or exercise any of the powers, of a building surveyor under this Act that he or she is not authorised to perform or exercise under the Occupational Licensing Act 2005 .Penalty: Fine not exceeding 250 penalty units.