Bill No. 19 Marriage And Divorce Bill 2009 (b) is unable to consummate the marriage within six months; (c) is permanently impotent and the fact is not known to the other party at the time of contracting the marriage; or (d) conceals a material fact. (2) The aggrieved party may, at his or her option, apply to a competent court on any of the grounds in subsection (1), to nullify the marriage. 36. Voidable marriage valid until annulled A voidable marriage is, for all purposes, a valid marriage until it is annulled by a decree of a competent court at the instance of the innocent party. PART IV—REQUIREMENTS, PRELIMINARIES AND SOLEMNIZATION OF CHRISTIAN MARRIAGE Requirements of Valid Christian Marriage 37. Minimum age for marriage A person shall not have the capacity to contract a Christian marriage unless he or she has attained eighteen years of age. 38. Consent to marriage A Christian marriage shall not be celebrated, solemnized or contracted in Uganda without the free consent of either party to the intended marriage. 39. Prohibited degrees of relationship A person shall not be a party to a Christian marriage where the parties are within the prohibited degrees of relationship, whether natural, legal, or by clan as set out in the Second Schedule to this Act. 40. Same sex marriage prohibited Marriage between persons of the same sex is prohibited. 24