Pakistan Citizenship Act, 1951 — section 19

19. Cases of doubt as to citizenship..—(1) Where a person with respect to whose citizenship a doubt exists, whether on a question of law or fact, makes application in that behalf to the 1[Federal Government], the 1[Federal Government] may grant him a certificate that at the date of the certificate he is a citizen of Pakistan.

(2)The certificate, unless it is proved to have been obtained by fraud, false representation or concealment of any material fact, shall be conclusive evidence of the fact recorded in it. 20. Acquisition of Pakistan citizenship by citizens of Commonwealth countries. The 1 [Federal Government] may upon such terms and conditions as it may by general or special order specify register a 2[Commonwealth citizen or a British protected person] as a citizen of Pakistan. 21. Penalties. Any person who in order to obtain or prevent the doing of anything under the Act makes any statement or furnishes any information which is false in any material particular and which he knows or has reasonable cause to believe to be false, or does not believe to be true, shall be deemed to have committed an offence punishable under section 177 of the Pakistan Penal Code (Act XLV of 1860).