Commonwealth Consolidated Regulations Commonwealth Consolidated RegulationsIf an application under regulation 42ZR of CAR for an exemption from, or a variation of, a requirement of an airworthiness directive, in so far as it relates to a particular aircraft, was still pending immediately before 1 January 2000, the application has effect as if it were a written request made by the applicant, on that day, for CASA to exclude, under regulation 39.004, the aircraft from the operation of the airworthiness directive.