In the Court of Justice of the EU (“CJEU”) judgment of 23 November 2023 in case C-653/22 J.P. Mali, the CJEU ruled on the EU principle of proportionality with respect to the imposition of penalties for underpayment of customs duties (including anti-dumping duties) in Member States. The case concerned Hungarian company J.P. Mali, which imported into Hungary bicycles and bicycle parts declared as originating in Taiwan. For context, both bicycles and bicycle parts originating in…