Commonwealth Consolidated Regulations Commonwealth Consolidated Regulations(1) In this Subpart:
"applicable airworthiness standards" , for the design of a modification of, or repair to, an aircraft, aircraft engine, propeller or appliance, has the meaning given in this regulation.
(2) If, under regulation 21.414, CASA, an authorised person or a relevant approved design organisation makes a determination for the design, the applicable airworthiness standards for the design are the proposed airworthiness standards for the design and the additional standards mentioned in the determination.
(3) If, under regulation 21.416, CASA makes a determination for the design, the applicable airworthiness standards for the design are the proposed airworthiness standards for the design other than the standards determined not to apply to the design.
(4) If, under regulation 21.418, an authorised person or approved design organisation makes, and CASA agrees with, a determination for the design, the applicable airworthiness standards for the design are the proposed airworthiness standards for the design other than the standards determined not to apply to the design.
(5) In any other case, the applicable airworthiness standards for the design are the proposed airworthiness standards for the design.