The U.K. left the EU customs union after the 2016 Brexit referendum, formally exiting the bloc in January 2020 under then-Prime Minister Boris Johnson. Britain remained aligned with EU trade rules during a transition period before fully…

The U.K. left the EU customs union after the 2016 Brexit referendum, formally exiting the bloc in January 2020 under then-Prime Minister Boris Johnson. Britain remained aligned with EU trade rules during a transition period before fully…