[Article 22] Federal Constitution 32 Citizenship by incorporation of territory 22. If any new territory is admitted to the Federation after Malaysia Day in pursuance of Article 2, Parliament may by law determine what persons are to be citizens by reason of their connection with that territory and the date or dates from which such persons are to be citizens. Chapter 2—Termination of Citizenship Renunciation of citizenship 23. (1) Any citizen of or over the age of twenty-one years and of sound mind who is also or is about to become a citizen of another country may renounce his citizenship of the Federation by declaration registered by the Federal Government, and shall thereupon cease to be a citizen. (2) A declaration made under this Article during any war in which the Federation is engaged shall not be registered except with the approval of the Federal Government. (3) This Article applies to a woman under the age of twentyone years who has been married as it applies to a person of or over that age. Deprivation of citizenship on acquisition or exercise of foreign citizenship, etc. 24. (1) If the Federal Government is satisfied that any citizen has acquired by registration, naturalization or other voluntary and formal act (other than marriage) the citizenship of any country outside the Federation, the Federal Government may by order deprive that person of his citizenship. (2) If the Federal Government is satisfied that any citizen has voluntarily claimed and exercised in any country outside the Federation any rights available to him under the law of that country, being rights accorded exclusively to its citizens, the Federal Government may by order deprive that person of his citizenship.