Section 63 Exercise of powers vested in military office holder.

Any power or jurisdiction given to, and any act or thing to be done by, to, or before, any person holding any military office may, in relation to the F1Regular 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 military 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 military 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.