(1) If a certified designer ceases to be responsible for the maintenance of a terminal instrument flight procedure, the certified designer must give written notice to that effect to CASA and, if the procedure is published in the AIP, to the AIS, within 7 days after ceasing to have that responsibility.
(2) Subregulation (1) does not apply if, having regard to the certified designer's circumstances, it is not reasonably practicable for the designer to give CASA at least 7 days notice and the notice is given as soon as is reasonably practicable.