# refrigerated food processing and dispensing products — US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54) For refrigerated food processing and dispensing products, restriction type is manufacture/import; maximum gwp is named list; effective date is January 1, 2028; conditions is within the scope of UL 621; cfr paragraph is § 84.54(a)(9)(iii), recorded from its source on 2026-08-06. - **Sector/subsector:** refrigerated food processing and dispensing products _(verified: appears in the quote below)_ - **Restriction type:** manufacture/import _(our reading, not quoted from the source)_ - **Maximum GWP:** named list - **Effective date:** January 1, 2028 _(verified: appears in the quote below)_ - **Conditions:** within the scope of UL 621 _(verified: appears in the quote below)_ - **CFR paragraph:** § 84.54(a)(9)(iii) _(our reading, not quoted from the source)_ ## What the source says > ( iii ) Effective January 1, 2028, for refrigerated food processing and dispensing products within the scope of UL 621, “Ice Cream Makers,” Edition 7, dated May 7, 2010, with revisions through September 16, 2020, as of December 26, 2023, using any of the following: R-402A, R-402B, R-404A, R-407A, R-407B, R-407C, R-407F, R-407H, R-408A, R-410A, R-410B, R-411A, R-411B, R-417A, R-417C, R-420A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-427A, R-428A, R-434A, R-437A, R-438A, R-507A, HFC-134a, HFC-227ea, R-125/290/134a/600a (55/1/42.5/1.5), RB-276, RS-24 (2002 formulation), RS-44 (2003 formulation), GHG-X5, or Freeze 12. ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 Last verified: 2026-08-06. Review by: 2027-02-02. Part of [US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)](https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/).