Section 1. Consistent with the provision of the Constitution, this Organic Act may be reamended or revised by the Congress of the Philippines upon a vote of two thirds (2/3) of the Members of the House of Representatives and of the Senate voting separately.

Section 2. The Regional Assembly shall have the power to initiate proposals for amendment to or revisions of this Organic Act by a vote of three-fourths (3/4) of all its Members or it may call for a Regional Consultative Commission to propose the amendment or revision. In any case, the amendment or revision shall require the approval of the Congress of the Philippines by a vote of two-thirds (2/3) of the Members of the House of Representatives and of the Senate voting separately.

Section 3. Any amendment to or revision of this Organic Act shall become effective only when approved by majority of the votes cast in the plebiscite called for the purpose, which shall be held not earlier than sixty (60) days or later than ninety (90) days after the approval of such amendment or revision.

Article XVI

Republic Acts Table of Contents

Article XVIII