The U.S. Environmental Protection Agency is taking final action to correct the production baseline to reflect corrected calculations for the phasedown of hydrofluorocarbons pursuant to the American Innovation and Manufacturing Act. This final rule is effective on 11 September 2023. POC is John Feather, U.S. Environmental Protection Agency, Stratospheric Protection Division, tele: 202–564–1230; or email: feather.john@epa.gov. (Federal Register 12 July 2023 [Rule] Pages 44220-44225)