418. Evidence.

418.     Evidence.

Every document purporting to be a notice, certificate, order or declaration, or an entry in a register, or a subscription of an oath of allegiance, given, granted or made under the British Nationality Act 1981 or any of the former nationality Acts1 is to be received in evidence and, unless the contrary is proved, is to be deemed to have been given, granted or made by or on behalf of the person by whom or on whose behalf it purports to have been given, granted or made2. Prima facie evidence of any such document may