Section 67 Exercise of powers vested in air force officer holder.

Any power or jurisdiction given to, and any act or thing to be done by, to, or before, any person holding any air force office may, in relation to the Air Force Reserve, be exercised by or done by, to, or before any other person for the time being authorised in that behalf according to the custom of the service.

Where by this Act, or by any order or regulation under this Act, any order is authorised to be made by any air force authority, the order may be signified by an order, instruction or letter under the hand of any officer authorised to issue orders on behalf of that air force authority, and an order, instruction or letter purporting to be signed by any officer who appears from it to be so authorised shall be evidence of his being so authorised.