(a) Any state, the District of Columbia or its designee, the Commonwealth of Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Northern Marianas Islands as defined in section 702 is eligible to become a compacting state.
(b) The Compact becomes effective and binding upon legislative enactment of the Compact into law by no less than 35 of the states. This Compact becomes effective and binding as to any other compacting state upon enactment of the Compact into law by that state. The governors of non-member states or their designees may participate in the activities of the Interstate Commission on a non-voting basis prior to adoption of the Compact by all states and territories of the United States.
(c) The Interstate Commission may propose amendments to the Compact for enactment by the compacting states. No amendment may become effective and binding upon the Interstate Commission and the compacting states unless it is enacted into law by unanimous consent of the compacting states.