Wash. Rev. Code § 18.33.100
(1) The compact shall come into effect on the date on which the compact statute is enacted into law in the seventh participating state.
(a) On or after the effective date of the compact, the commission shall convene and review the enactment of each of the states that enacted the compact prior to the commission convening ("charter participating states") to determine if the statute enacted by each such charter participating state is materially different than the model compact.
(2) Any participating state may withdraw from this compact by enacting a statute repealing that state's enactment of the compact.
[ 2023 c 297 s 11.]