Harmonized Tariff Schedule 2025. Harmonized tariff schedule (hts) codes: The explanatory notes and the compendium of.

Over 98 % of the merchandise in international trade is classified in terms of the hs. The additional 10% tariff would increase existing tariffs under list 1, list 2 and list 3 from 25% to 35% and list 4a from 7.5% to 17.5%.