CBP Guidance on US-UK and Northern Ireland Economic Prosperity Deal
Effective June 30, 2025, the U.S. began implementing tariff changes under the new U.S.-UK Economic Prosperity Deal. Key provisions include a tariff-rate quota on UK-made automobiles, a preferential 10% duty rate for eligible UK auto parts, and duty exemptions for certain civil aircraft products. Importers and brokers should closely follow new HTSUS classifications, entry procedures, and filing instructions outlined in CBP guidance and Quota Bulletin QB 25-508.