(4) The Court of Appeal shall have exclusive jurisdiction to hear and determine any question as to the validity of an election of a President in so far as that question depends upon the qualification of any person for election or the interpretation of this Constitution; and any decision of that Court under this paragraph shall be final. (5) Subject to the provisions of this Constitution, Parliament may make provision for giving effect to the provisions of this Title and, without prejudice to the generality thereof, may make provision (a) for the conduct of elections to the office of President; and (b) with respect to the persons by whom, the manner in which and the conditions upon which proceedings for the determination of any question such as is mentioned in the preceding paragraph may be instituted in the Court of Appeal, and, subject to any provisions made under subparagraph (b), provision may be made with respect to the matters referred to therein by rules of court. (6) Subject to the provisions of paragraph (4), an instrument which (a) is executed under the hand of the Chairman of the Elections Commission; and (b) states that a person named in the instrument was declared elected as President at an election held pursuant to the provisions of article 60(2), shall be conclusive evidence that the person so named was so elected and no question as to the validity of the election as the President of the person so named shall be enquired into any court.