A person must not perform notifiable plumbing work unless he or she ensures that (a) a notice of work has been given under section 108 to a permit authority in respect of the work; and(b) the permit authority has issued a certificate of likely compliance (notifiable plumbing work) in respect of the work; and(c) the work to be performed is the same as, or not materially different from, the work specified in that certificate of likely compliance (notifiable plumbing work); and(d) the work is to be performed by, or under the supervision of, the responsible person for the work.Penalty: Fine not exceeding 100 penalty units.