These Regulations amend the Customs Tariff (Establishment) (EU Exit) Regulations 2020 (S.I. 2020/1430) (the “Establishment Regulations”) and the Customs (Reliefs from a Liability to Import Duty and Miscellaneous Amendments) (EU Exit) Regulations 2020 (S.I. 2020/1431) (the “Reliefs Regulations”).