(1) A certificate of compliance is a certificate that (a) states that the model of heater in respect of which the certificate is issued complies with AS/NZS 4013; and(b) is issued in accordance with an approved scheme.(2) In subregulation (1) approved scheme means a scheme for heater compliance certification that is approved in writing by the Director as a scheme under which certificates of compliance for models of heaters may be issued.(3) If a certificate of compliance does not comply with this regulation it is invalid.