Notices and Rulemakings

TypeDateNameAIM Act Program AreaFederal Register Link
Final Rule08/26/2025Phasedown of Hydrofluorocarbons: Review and Renewal of Eligibility for Application-Specific AllowancesAllowance Allocations and ReportingFederal Register Link
Final Rule 12/12/2024Phasedown of Hydrofluorocarbons: Restrictions on the Use of HFCs Under the AIM Act in Variable Refrigerant Flow Air Conditioning SubsectorTechnology TransitionsFederal Register Link
Notice 10/28/2024Phasedown of Hydrofluorocarbons: Notice of Information Availability for Regulations Implementing the American Innovation and Manufacturing ActTechnology TransitionsFederal Register Link
Notice 10/23/2024Phasedown of Hydrofluorocarbons: Notice of 2025 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020, and Notice of Final Actions Establishing Administrative ConsequencesAllowance Allocations and ReportingFederal Register Link
Final Rule10/11/2024Phasedown of Hydrofluorocarbons: Management of Certain Hydrofluorocarbons and Substitutes Management of Use and ReuseFederal Register Link
Notice10/07/2024Phasedown of Hydrofluorocarbons: Notice of Final Administrative Consequences Under the American Innovation and Manufacturing Act Affecting 2024 AllowancesAllowance Allocations and ReportingFederal Register Link
Notice10/07/2024Notice of Data Availability Relevant to Data Reported Under the American Innovation and Manufacturing Act of 2020Allowance Allocations and ReportingFederal Register Link
Proposed Rule09/16/2024Phasedown of Hydrofluorocarbons: Review and Renewal of Eligibility for Application-Specific AllowancesAllowance Allocations and ReportingFederal Register Link
Final Rule09/11/2024Phasedown of Hydrofluorocarbons: Vacated ProvisionsAllowance Allocations and ReportingFederal Register Link
Proposed Rule06/26/2024Phasedown of Hydrofluorocarbons: Restrictions on the Use of HFCs Under the AIM Act in Variable Refrigerant Flow Air Conditioning SubsectorTechnology TransitionsFederal Register Link
Notice01/17/2024Notice of Data Availability Relevant to Data Reported Under the American Innovation and Manufacturing Act of 2020Allowance Allocations and ReportingFederal Register Link
Interim Final Rule12/26/2023Phasedown of Hydrofluorocarbons: Technology Transitions Program Residential and Light Commercial Air Conditioning and Heat Pump SubsectorTechnology TransitionsFederal Register Link
Final Rule10/24/2023Phasedown of Hydrofluorocarbons: Restrictions on the Use of Certain Hydrofluorocarbons Under the American Innovation and Manufacturing Act of 2020Technology TransitionsFederal Register Link
Proposed Rule10/19/2023Phasedown of Hydrofluorocarbons: Management of Certain Hydrofluorocarbons and Substitutes Under Subsection (h) of the American Innovation and Manufacturing Act of 2020Management of Use and ReuseFederal Register Link
Notice10/19/2023Phasedown of Hydrofluorocarbons: Notice of 2024 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020, and Notice of Final Administrative ConsequencesAllowance Allocations and ReportingFederal Register Link
Final Rule07/20/2023Phasedown of Hydrofluorocarbons: Allowance Allocation Methodology for 2024 and Later YearsAllowance Allocations and ReportingFederal Register Link
Final Rule07/12/2023Phasedown of Hydrofluorocarbons: Adjustment to the Hydrofluorocarbon Production BaselineAllowance Allocations and ReportingFederal Register Link
Notice04/11/2023Notice of Determination to Deny Certain Petitions Submitted under Subsection (i) of the American Innovation and Manufacturing ActTechnology TransitionsFederal Register Link
Proposed Rule12/15/2022Restrictions on the Use of Certain Hydrofluorocarbons under Subsection (i) of the American Innovation and Manufacturing ActTechnology TransitionsFederal Register Link
Proposed Rule11/03/2022Phasedown of Hydrofluorocarbons: Allowance Allocation Methodology for 2024 and Later YearsAllowance Allocations and ReportingFederal Register Link
Notice10/17/2022Data Availability: Management of Regulated Substances under the American Innovation and Manufacturing ActManagement of Use and ReuseFederal Register Link
Notice10/11/2022Phasedown of Hydrofluorocarbons: Notice of 2023 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020Allowance Allocations and ReportingFederal Register Link
Notice10/04/2022Notice of Determination: Petitions Granted Under Subsection (i) of the American Innovation and Manufacturing Act of 2020Technology TransitionsFederal Register Link
Notice09/22/2022Phasedown of Hydrofluorocarbons: Notice of Grant of Request To Extend Compliance Date for Requirements To Control Emissions of Hydrofluorocarbon-23Allowance Allocations and ReportingFederal Register Link
Proposed Rule06/21/2022Revisions and Confidentiality Determinations for Data Elements under the Greenhouse Gas Reporting RuleAllowance Allocations and ReportingFederal Register Link
Proposed Rule06/16/2022Protection of Stratospheric Ozone: Standards Related to the Manufacture of Class II Ozone-Depleting Substances for Feedstock; WithdrawalAllowance Allocations and ReportingFederal Register Link
Notice04/05/2022Phasedown of Hydrofluorocarbons: 2022 Set-Aside Pool Allowance Allocations for Production and Consumption of Regulated Substances under the American Innovation and Manufacturing ActAllowance Allocations and ReportingFederal Register Link
Notice12/29/2021Consideration of Negotiated Rulemaking for Petitions Granted or Partially Granted Under Subsection (i) of the American Innovation and Manufacturing Act of 2020Technology TransitionsFederal Register Link
Notice10/14/2021Notice of Determination To Grant or Partially Grant Certain Petitions Submitted Under Subsection (i) of the American Innovation and Manufacturing Act of 2020Technology TransitionsFederal Register Link
Notice10/07/2021Phasedown of Hydrofluorocarbons: Notice of 2022 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020Allowance Allocations and ReportingFederal Register Link
Final Rule10/05/2021Phasedown of Hydrofluorocarbons: Establishing the Allowance Allocation and Trading Program Under the American Innovation and Manufacturing ActAllowance Allocations and ReportingFederal Register Link
Proposed Rule09/29/2021Protection of Stratospheric Ozone: Standards Related to the Manufacture of Class II Ozone-Depleting Substances for FeedstockAllowance Allocations and ReportingFederal Register Link
 Notice5/25/2021Notice of Data Availability Relevant To Petition Submissions Under the American Innovation and Manufacturing Act of 2020Allowance Allocations and ReportingFederal Register Link
Proposed Rule05/19/2021Phasedown of Hydrofluorocarbons: Establishing the Allowance Allocation and Trading Program under the American Innovation and Manufacturing ActAllowance Allocations and ReportingFederal Register Link
Notice2/11/2021Data Availability Relevant to the United States Hydrofluorocarbon Baselines and Mandatory AllocationsAllowance Allocations and ReportingFederal Register Link

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Last updated on August 26, 2025