(1) Every person who, immediately before the commencement of this Constitution, is or has been married to a person--
(a) who continues to be a citizen of Guyana by virtue of the preceding article; or
(b) who, having died before the commencement of this Constitution, would, but for his or her death, have continued to be a citizen of Guyana on that date by virtue of that article,
shall, if not otherwise a citizen, be entitled, upon making application and upon taking the oath of allegiance, to be registered as a citizen of Guyana:
Provided that the right to be registered as a citizen under this paragraph shall be subject to such exceptions or qualifications as may be prescribed in the interests of national security or public policy.
… (Art. 42)