(1) CASA may:
(a) at the time of issuing an AOC, impose conditions by specifying them in the AOC; and
(b) at any time after the issue of an AOC, give a written notice to the holder of the AOC, imposing conditions, or further conditions, on the AOC.
(2) CASA may at any time give a written notice to the holder of an AOC, varying any of the conditions of the AOC that were imposed by CASA. A variation may be made:
(a) on the application of the holder of an AOC; or
(b) on CASA's own initiative.
(3) An application for variation must:
(a) be in writing; and
(b) set out the variation sought and the reasons why it is sought.
(4) Section 27AD applies to an application under this section in the same way that section 27AD applies to an application for an AOC.