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
CBP Will Start Voiding Importer Numbers on September 18 — Is Your Form 5106 Accurate?
August 19, 2026
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Starting September 18, 2026, CBP will immediately void IOR numbers with inaccurate Form 5106 information under Executive Order 14411. Here’s what every importer and customs broker needs to know — and a checklist of what to fix before the deadline.
