1. Limitation on increases in duties on imports of steel and aluminum on imports from Canada, Mexico, and the European Union (a) In general Notwithstanding any other provision of law, the rates of duty applicable to articles specified in subsection (b), and imported from Canada, Mexico, or any country that is a member of the European Union, under the Harmonized Tariff Schedule of the United States (in this section referred to as the HTS ) on March 22, 2018, shall remain in effect on and after March 23, 2018, without regard to any presidential proclamation issued on May 31, 2018, or any other date, relating to— (1) the report of the Secretary of Commerce on the Secretary's investigation into the effect of imports of steel articles on the national security of the United States transmitted to the President on January 11, 2018