On May 10, the US International Trade Commission (ITC) issued a Federal Register notice stating that it will conduct an investigation into the economic impacts of the Section 301 and 232 (global steel and aluminum) tariffs on US industries.  See Notice.

The ITC will hold a hearing, and accept pre-hearing and post hearing briefs. 

On May 5, the United States Trade Representative (USTR) published a Notice requesting comments from domestic industry members benefitting from the Section 301 tariffs as to whether the USTR should continue to impose Section 301 tariffs for lists 1, 2, 3, and 4A.  USTR is required to review the necessity of Section 301 actions four