The United States International Trade Commission, Office of Tariff Affairs and Trade Agreements is responsible for publishing the Harmonized Tariff Schedule of the United States (HTS). The U.S. Customs Service is responsible for administering the tariff and for processing import entries. The HTS provides the applicable tariff rates and statistical categories for all merchandise imported into the United States. It is based on the international Harmonized System, the global classification system that is used to describe most world trade in goods

De Minimus exemption removed by Trump admin-What to know
On February 2, 2025, in a significant shift in U.S. trade policy, the Trump administration announced the removal of the de minimis exemption for importing