Title X on Constitutional Reform
Article 235. Any amendment to, or revision of, this Constitution may be proposed by:
- The National Assembly, upon a vote of three-fourths of all its Members; or
- A Constitutional Congress.
Article 236. Amendments to this Constitution may be directly proposed by the people through initiative upon a petition of at least twelve per centum of the total number of registered voters, of which every legislative district must be represented by at least three per centum of its registered votes.
The National Assembly shall provide for the implementation of the exercise of this right.
Article 237. The National Assembly may, by a vote of two-thirds of all its Members, call a Constitutional Congress, or by a majority vote of all its Members, submit to the electorate the question of calling such a Congress. Members to the Constitutional Congress shall be elected from legislative districts in the same manner as District Representatives.
Article 238. Any amendment to, or revision of, this Constitution under Article 235 shall be valid when ratified by a majority of the votes cast in a plebiscite which shall be held not earlier than sixty days nor later than ninety days after the approval of such amendment or revision.
Any amendment under Article 236 shall be valid when ratified by a majority of the votes cast in a plebiscite which shall be held not earlier than sixty days nor later than ninety days after the certification by the Commission on Elections of the sufficiency of the petition.
No amendment or revision under this title shall be authorized within five years following the ratification of this Constitution nor more than once every five years thereafter, nor shall any amendment or revision be authorized during a state of emergency or martial law. No amendment or revision shall contradict the principles embodied in this Constitution, but solely relate to modifications of particular provisions, which do not alter the spirit of the Constitution.