(a) Amendment to an approved section 1332 waiver. A State may request an amendment to an approved section 1332 waiver from the Secretary and the Secretary of the Treasury. A section 1332 waiver amendment is considered a change to a section 1332 waiver plan that is not otherwise allowable under the terms and conditions of an approved waiver, a change that could impact any of the section 1332 statutory guardrails or a change to the program design for an approved waiver. A State is not authorized to implement any aspect of the proposed amendment without prior approval by the Secretary and the Secretary of the Treasury.

(b) [Reserved]