(a) Notwithstanding the provisions of Sub-Article (2) hereof, if a bill proposing a repeal and/or amendment of any of the provisions of this Constitution secures a majority of two-thirds of all the members of the National Assembly, but fails to secure a majority of two-thirds of all the members of the National Council, the President may by Proclamation make the bill containing the proposed repeals and/or amendments the subject of a national referendum. (b) The national referendum referred to in Sub-Article (a) hereof shall be conducted in accordance with procedures prescribed for the holding of referenda by Act of Parliament. (c) If upon the holding of such a referendum the bill containing the proposed repeals and/or amendments is approved by a two-thirds majority of all the votes cast in the referendum, the bill shall be deemed to have been passed in accordance with the provisions of this Constitution, and the President shall assent to the bill by signing the bill and the bill shall be published as an Act in the Gazette.