The regulation was introduced on hong kong s own initiative to better protect the ozone layer as well as to conserve hong kong s stock of chloroflurocarbons cfcs for use in existing air conditioning equipment in view of the gradual phasing out of controlled refrigerants 该条规例由本港自发引入，用以更有效地保护臭氧层鉴于受管制制冷剂正逐步被淘汰，该规例亦可保存氟氯化碳存货，供现存的空气调节装备使用。
