Bangkok, Thailand, 16 May 2022 ‒ Forty-seven participants (male 27, female 20) from National Ozone Units (NOUs) and Customs authorities of countries in the Southeast Asia (SEA) Network gathered virtually on 10 May for a thematic meeting on the Adoption and Implementation of ASEAN Harmonized Tariff Nomenclature 2022 (AHTN2022) for HFCs (hydrofluorocarbons) to enhance monitoring, reporting, verification and enforcement (MRVE) of national HFC licensing systems.