Regulation 3 provides for the definitions of EP country and SP country in the Trade Preference Scheme (Developing Countries Trading Scheme) Regulations 2023 (S.I. 2023/561) (the “DCTS Preference Regulations”) to apply to the Customs (Origin of Chargeable Goods: Developing Countries Trading Scheme) Regulations 2023 (S.I. 2023/557) as well.