[Article 29] Federal Constitution 39 Chapter 3—Supplemental Commonwealth citizenship 29. (1) In accordance with the position of the Federation within the Commonwealth, every person who is a citizen of the Federation enjoys by virtue of that citizenship the status of a Commonwealth citizen in common with the citizens of other Commonwealth countries. (2) Any existing law shall, except so far as Parliament otherwise provides, apply in relation to a citizen of the Republic of Ireland who is not also a Commonwealth citizen as it applies in relation to a Commonwealth citizen. Certificates of citizenship 30. (1) The Federal Government may, on the application of any person with respect to whose citizenship a doubt exists, whether of fact or of law, certify that that person is a citizen. (2) A certificate issued under Clause (1) shall, unless it is proved that it was obtained by means of fraud, false representation or concealment of any material fact, be conclusive evidence that the person to whom it relates was a citizen on the date of the certificate, but without prejudice to any evidence that he was a citizen at an earlier date. (3) For the purpose of determining whether a person was born a citizen of the Federation, any question whether he was born a citizen of another country shall be decided by the Federal Government, whose certificate thereon (unless proved to have been obtained by means of fraud, false representation or concealment of a material fact) shall be conclusive. (4) (Repealed). 30a. (Repealed). 30b. (Repealed). Application of Second Schedule 31. Until Parliament otherwise provides, the supplementary provisions contained in Part III of the Second Schedule shall have effect for the purposes of this Part.