Text in force at 23-63: from 23-34, effective 17 Feb 1987.
[(a) This Part prescribes airworthiness standards for the issue of type certificates, and changes to those certificates, for airplanes in the normal, utility, acrobatic and commuter categories.]
(b) Each person who applies under Part 21 for such a certificate or change must show compliance with the applicable requirements of this Part.
52 FR 1825 · Source