Section 22 of the Principal Act is amended as follows:(a) by inserting the following paragraph after paragraph (b) in subsection (1) :(ba) the person is the holder of a practitioner’s licence of the relevant occupation and class by virtue of holding deemed registration; or(b) by omitting subsection (2) and substituting the following subsection:(2) A person must not supervise the performance of prescribed work unless he or she is the holder of a practitioner’s licence –(a) issued by the Administrator of the relevant occupation and class; or(b) of the relevant occupation and class by virtue of holding deemed registration.Penalty: In the case of –(a) a body corporate, a fine not exceeding 400 penalty units; or(b) an individual, a fine not exceeding 200 penalty units.