UK customs and trade news: January 2026

News in brief: tariff notice on the classification of swim spas issued; UK Customs Tariff updates; new versions of several reference documents published; progress in the UK-Japan, UK-Indonesia and UK-India trade relations; registration of imports of boom lifts introduced; anti-dumping duty on ammonium nitrate, on welded tubes and pipes as well as on wire rod products imposed; countervailing duty on rainbow trout introduced; both anti-dumping and countervailing duties on imports of biodiesel products imposed; and other updates.