Section 286: Execution of orders, instruments, etc.

An order or a determination by an officer of the Armed Forces or service authority may, unless otherwise prescribed by rules or regulations made under this Act, be signified under the hand of an officer authorised in that behalf, and an instrument signifying the order or determination and purporting to be signed by an officer stated therein to be so authorised shall, unless the contrary is proved, be accepted by all courts and persons as sufficient evidence accordingly.