(1) CASA may, in writing, give directions in connection with the use or operation of:
(a) a designated air route or airway; or
(b) air route or airway facilities.
(2) A direction made under this regulation must be made to take effect on, or after, the day on which the direction is published in the AIP or a NOTAM.
Note: A direction given under this regulation is not subject to disallowance under section 42 of the Legislation Act 2003 (see regulations made for the purposes of paragraph 44(2)(b) of that Act).