1. Short title This Act may be cited as the PBM Oversight Act of 2023 . 2. Resolving conflicts of interest and improving oversight of P&T Committee overrides (a) In general Section 1860D–4(b)(3) of the Social Security Act ( 42 U.S.C. 1395w–104(b)(3) ) is amended— (1) in subparagraph (A)(ii)(I), by inserting the following before the semicolon: (and, for 2025 and each subsequent year, any pharmacy benefit manager)