On 21 September 2023, the European Court of Justice (“ECJ”) gave its judgment in a case concerning the non-preferential rules of origin (“ROO”) as laid down in the European Commission’s Union Customs Code Delegated Act (“UCC DA”), which supplements the Union Customs Code (“UCC”). The ECJ concluded in this case that the ‘Change of Tariff Heading’ (“CTH”) ROO laid down in the UCC DA can be deemed invalid in the light of the Treaty of…