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Harmonized Tariff Schedule

The Harmonized Tariff Schedule (HTS) is a reference manual that provides duty rates for almost every item that exists. It is a system of classifying and taxing all goods imported into the United States. The HTS is based on the international Harmonized System, which is a global standard for naming and describing trade products, and consists of a hierarchical structure that assigns a specific code and rate to each type of merchandise for duty, quota, and statistical purposes. The HTS was made effective on January 1, 1989, replacing the former Tariff Schedules of the United States. It is maintained by the U.S. International Trade Commission, but the Customs and Border Protection of the Department of Homeland Security is responsible for interpreting and enforcing the HTS.