On June 7, 2023, CMS issued guidance on the sunset of the MHPAEA opt-out for self-funded nonfederal governmental plans and related collective bargaining agreements (CBAs). The Consolidated Appropriations Act, 2023 (CAA 2023), signed into law on December 29, 2022, eliminated the annual opt-out provision from the MHPAEA previously available to self-funded state and local governmental group health plans. Specifically, new opt-out elections are not permitted and existing elections expiring on or af