70. Any Minister of Religion licensed to solemnize marriages under this Act, who, without a notice in writing, or, when one of the parties to the marriage is a minor, and the required consent of the parents or guardians to such marriage has not been obtained, within fourteen days after the receipt by him of notice of such marriage, knowingly and wilfully solemnizes a marriage under Part III, shall be punished with imprisonment for a term which may extend to three years, and shall also be liable to fine.