LAWS AND RULES
Refrigerant laws: International
What each law requires, who it affects and the practical points for technicians, contractors and importers, with a link to the official text. Summaries, not legal advice.
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Montreal Protocol on Substances that Deplete the Ozone Layer (and Vienna Convention)
This is the global treaty that phases out ozone-depleting gases such as CFCs and HCFCs (for example R-22 and R-141b).