New South Wales Consolidated ActsAn individual must not do any work declared by the regulations to be refrigeration work or air-conditioning work (whether or not it is also residential building work), except:
(a) as the holder of an endorsed contractor licence, or of a supervisor or tradesperson certificate, authorising its holder to do that work, or
(b) under the immediate supervision of the holder of such an endorsed contractor licence or supervisor certificate.
Maximum penalty: 1,000 penalty units in the case of a corporation and 200 penalty units in any other case.