All web sources checked on 20 October 2026. Publication dates and evidence limitations are stated below; a crawl date is not a publication date. Supplier descriptions establish advertised capability, not independently measured performance.
- Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020 — 26 May 2026; effective 27 July 2026. Federal rule.
- Technology Transitions HFC Restrictions by Sector — Updated 28 August 2026. Regulator guidance; tables are informational.
- American Innovation and Manufacturing Act: Leak Repair Requirements for Appliances Containing Hydrofluorocarbons and Certain Substitutes — January 2026. Regulator fact sheet.
- A2L Refrigerants Transition — Undated; checked 20 October 2026. Code organisation; adoption resources.
- Air-Cooled Unitary Air Conditioners and Heat Pumps — Current page checked 20 October 2026; includes 2024 rule and 2029 compliance date. Regulator programme page.
- Technology Transitions Program: October 2023 Final Rule Fact Sheet, with May 2026 warning — Original October 2023; December 2024 update; May 2026 warning. Historical regulator fact sheet; not current restrictions.
- A2L Refrigerants: Latest Challenges and Opportunities — 28 April 2025. Code organisation; technical guidance.
- AI Risk Management Framework — Undated; checked 20 October 2026. Government voluntary framework.
- Data, privacy, and security for Document Intelligence — Updated 28 July 2026. Primary supplier documentation.
- Frequent Questions on the Phasedown of Hydrofluorocarbons — Undated; checked 20 October 2026. Regulator guidance.