(1) A production certificate ceases to be in force:
(a) if the location of the manufacturing facility is changed; or
(b) if it is cancelled; or
(c) if a termination date is specified in the certificate--at midnight on that date.
(2) A production certificate is not in force during any period of suspension.
(3) CASA may suspend or cancel a production certificate by written notice given to its holder if CASA considers that it is necessary to do so in the interests of aviation safety.
(4) A notice must set out:
(a) the grounds for the suspension or cancellation; and
(b) in the case of a suspension--when the suspension stops having effect.
Source FARs section 21.159 modified.
Note: See also regulations 21.002C and 21.002E in relation to suspension and cancellation of production certificates.