In line with the obligations under the Montreal Protocol, the Government has agreed to control the importation, production and installation of refrigerators and air conditioners using HCFCs. The Environmental Quality (Refrigerant Management) Regulations 2020 came into force on 1 June 2020, listing HCFCs in the Second Schedule as controlled substances harmful to the environment. The regulation also includes a ban on the manufacture or installation of any HCFC-based refrigeration and air conditioning equipment for use in Malaysia. These procedures took effect on 1 December 2022.