; and (E) between non-profit and for-profit insurers. (c) Effective date (1) In general The amendments made by subsection (a) shall apply to plan years beginning on or after January 1, 2025. (2) Continued applicability of rules for previous years Nothing in the amendments made by subsection (a) may be construed as affecting the applicability of the rule entitled Transparency in Coverage published by the Department of the Treasury, the Department of Labor, and the Department of Health and Human Services on November 12, 2020 (85 Fed. Reg. 72158) for plan years beginning before January 1, 2025. 3. Pharmacy benefit manager transparency (a) ERISA (1) In general Subtitle B of title I of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1021 et seq. ) is amended— (A) in subpart B of part 7 ( 29 U.S.C. 1185 et seq. ), by adding at the end the following: 726. Oversight of pharmacy benefits manager services (a) In general For plan years beginning on or after January 1, 2025, a group health plan (or health insurance issuer offering group health insurance coverage in connection with such a plan) or an entity or subsidiary providing pharmacy benefits management services on behalf of such a plan or issuer may not enter into a contract with a drug manufacturer, distributor, wholesaler, switch, patient or copay assistance program administrator, pharmacy, subcontractor, rebate aggregator, or any associated third party that limits or delays the disclosure of information to plan administrators in such a manner that prevents the plan or issuer, or an entity or subsidiary providing pharmacy benefits management services on behalf of a plan or issuer, from making or substantiating the reports described in subsection (b). (b) Reports (1) In general For plan years beginning on or after January 1, 2025, not less frequently than quarterly (and upon request by the plan administrator), a group health plan or health insurance issuer offering group health insurance coverage, or an entity providing pharmacy benefits management