Nothing in this subchapter shall be interpreted to preclude the enactment of State legislation providing for the implementation, consistent with the provisions of this subchapter, of the activities assisted under this subchapter. Any funds received by a State under this subchapter shall be subject to appropriation by the State legislature, consistent with the terms and conditions required under this subchapter.
In the event that compliance with provisions of this subchapter would be enhanced by compacts and cooperative agreements between States, the consent of Congress is given to States to enter into such compacts and agreements to facilitate such compliance, subject to the approval of the Secretary.
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Section effective on the first day of the first full program year after July 22, 2014 (July 1, 2015), see section 506 of