(1) A permit authority is to issue a plumbing notice to the owner of a building or temporary structure where plumbing work has been performed, or to the plumber performing work on the building or structure, if satisfied that (a) the work has been performed on the building without a plumbing permit, or other valid authorisation, if required; or(b) the work has been performed on the building or temporary structure in contravention of (i) a plumbing permit, or other valid authorisation, in force in respect of the work; or(ii) this Act or any other relevant Act in force at the time the work was performed; or(c) the work is notifiable plumbing work that has been performed on the building or temporary structure in contravention of (i) a certificate of likely compliance issued in respect of the work; or(ii) a notice of work provided in respect of the work; or(iii) this Act or any other relevant Act in force at the time the work was performed; or(d) the work is low-risk plumbing work that has been performed on the building or temporary structure in contravention of this Act or any other relevant Act in force at the time the work was performed; or(e) the use of an existing plumbing installation is in contravention of the conditions of a plumbing permit or a certificate of likely compliance; or(f) an existing plumbing installation within the building or temporary structure is faulty, defective, or a risk to the health or safety of persons.(2) A plumbing notice is to require the owner or person to show cause within the prescribed period why plumbing work or other work specified in the notice should not be performed.(3) A plumbing notice is to be in an approved form.