The United States International Trade Commission (ITC) is an independent, non-partisan and quasi-judicial federal agency. Its predecessor was the United States Tariff Commission, which was established in 19 16. The duties of the International Trade Commission include: judging whether domestic industries in the United States are damaged by dumping or subsidies of foreign products; Determine the impact of imports on American industry; Take countermeasures against some unfair trade measures, such as infringement of patents, trademarks or copyrights; Conduct research on trade and tariff issues; Provide technical information and advice to the President, Congress and other government agencies on trade and tariff issues.

Both the United States International Trade Commission and the Department of Commerce are responsible for anti-dumping and countervailing investigations in the United States. The Ministry of Commerce is responsible for determining whether and to what extent the alleged dumping or subsidies exist. The International Trade Commission (ITC) determines whether the domestic industrial sector in the United States has been damaged by foreign dumping or subsidies.

The International Trade Commission is also responsible for regularly reviewing the Harmonized Tariff System of the United States, and proposing amendments that it deems necessary or reasonable.