6. (1) Any person who- (a) has attained the age of twenty-one years; and (b) has been ordinarily resident in Zambia for a continuous period of not less than ten years immediately preceding that person's application for registration; Persons entitled to apply to be registered as citizens shall be entitled to apply to the Citizenship Board, in such manner as may be prescribed by or under an Act of Parliament, to be registered as a citizen of Zambia. (2) An application for registration as a citizen under this Article shall not be made by or on behalf of any person who, under any law in force in Zambia, is adjudged or otherwise declared to be of unsound mind. (3) Parliament may provide that any period during which a person has the right to reside in Zambia by virtue of a permit issued under the authority of any law relating to immigration shall not be taken into account in computing the period of ten years referred to in paragraph (b) of clause (1). 7. Parliament may make provision for(a) the acquisition of citizenship of Zambia by persons who are not eligible to become citizens of Zambia under this Part; (b) depriving any person of that person's citizenship of Zambia: Powers of Parliament Provided that a person shall not be deprived of his citizenship except on the grounds that- (i) that person is a citizen of a country other than Zambia; or (ii) that person obtained such citizenship by fraud. 8. Parliament may make provision for the establishment of a Citizenship Board to deal with any of the matters falling under the provisions of Articles 6 or 7. Citizenship Board