What it is
Section 301 of the Trade Act of 1974 authorizes the U.S. Trade Representative (USTR) to investigate and respond to foreign government practices that harm U.S. commerce. The USTR initiates an investigation, consults with the foreign government, and if an agreement is not reached, can recommend actions like tariffs or quotas. This unilateral tool is designed to enforce U.S. trade rights and address unfair trade barriers.
Section 301 investigations frequently appear in news related to U.S.-China trade relations, often signaling potential escalations or de-escalations. For instance, the Trump administration launched a Section 301 investigation into China's intellectual property practices in 2017, leading to significant tariffs. When a new investigation is announced, investors watch for its scope, potential target industries, and the likelihood of retaliatory measures, which can impact global supply chains and stock valuations.
Why it matters
These investigations can directly lead to tariffs or trade restrictions, impacting the costs and profitability of companies importing or exporting goods. They can also signal broader geopolitical tensions.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice