Turkish exports are no longer eligible for the Generalized System of Preferences, and Turkish solar cells and residential washers are also now subject to safeguard tariffs. The changes took effect May 17.

President Donald Trump issued a proclamation saying that he may take action under Section 232 to restrict auto and auto part imports if negotiations with the European Union and Japan don't make way for higher sales for American carmakers.

The 25 percent Section 232 tariffs on Canadian steel and the 10 percent tariffs on aluminum will be removed within 48 hours, Canada and the U.S. said May 17. When the metals tariffs are removed, Canada will also roll back its retaliatory tariffs, which hit American metals and agriculture, as well as some prepared food. The joint statement said stricter customs enforcement to prevent transshipment will be coordinated between Canada and the U.S.

President Donald Trump said May 17 said the U.S. has also reached an agreement with Mexico to drop U.S. Section 232 tariffs. The Mexican government issued a statement that said it would be lifting all its retaliatory tariffs in response. Mexico had targeted U.S. pork, dairy and metals. Mexican President Andres Lopez Obrador noted in the statement that this agreement will allow the countries to move forward with ratifying the new NAFTA, which is known in that country as the Treaty between Mexico, the United States and Canada, or T-MEC, for the Spanish acronym. The Mexican statement did not say how quickly the tariffs and retaliatory tariffs would be lifted. A joint statement from Canada and the U.S. said tariffs would end under a similar agreement within 48 hours.

The Office of the U.S. Trade Representative has published a list of "essentially all products not currently covered" by Section 301 tariffs, with the exception of pharmaceuticals, certain chemicals made into prescription drugs, rare earth minerals and critical minerals. The office is seeking public comment on hiking tariffs on these goods, which represented approximately $300 billion in imports last year.

Importers with goods exported to the U.S. prior to May 10 will be able to avoid the increased Section 301 duties on goods from China as long as the merchandise is entered before June 1, CBP said in an updated CSMS message. "Such products remain subject to the additional duty of 10 percent for a transitional period of time before June 1, 2019," said the U.S. Trade Representative in a notice. "The covered products of China that are entered into the United States on or after June 1, 2019, are subject to the 25 percent rate of additional duty.

The Office of the U.S. Trade Representative issued a fourth list of product exclusions from Section 301 tariffs on goods from China. The exclusions cover "515 separate exclusion requests" including five 10-digit subheadings that cover 86 separate requests and "35 specially prepared product descriptions" that cover 429 separate requests, according to a pre-publication copy of a notice posted to the agency’s website May 9. The product exclusions apply retroactively to July 6, 2018, the date the first set of tariffs took effect, and will remain in effect until one year after USTR publishes the notice in the Federal Register.

The Office of the U.S. Trade Representative is set to publish on May 9 a notice on the increase in Section 301 tariffs for the third tranche of goods from China. The tariffs will go from 10 percent to 25 percent for the third list of goods from China at 12:01 a.m. on May 10, the USTR said. That increase was previously delayed while negotiations with China were underway. China's Vice Premier Liu He will be in Washington for further discussions this week "to make a deal," President Donald Trump said in a May 8 tweet.

The third tranche of Section 301 tariffs on goods from China will go up to 25 percent on May 10, President Donald Trump tweeted on May 5. "For 10 months, China has been paying Tariffs to the USA of 25% on 50 Billion Dollars of High Tech, and 10% on 200 Billion Dollars of other goods," he said. "These payments are partially responsible for our great economic results. The 10% will go up to 25% on Friday. " That increase was previously set to take place at the beginning of 2019, but was pushed back as the U.S. and China negotiated.

U.S. Trade Representative Robert Lighthizer said there will be an exclusion process for the third tranche of Section 301 tariffs on products from China and that the agency has "begun preparations to launch a process by the end of the month." His comment came in written replies submitted in recent weeks to Rep. Suzan DelBene, D-Wash., after a House Ways and Means Committee appearance in February. He had previously argued no exclusions were needed for the 10 percent tariffs despite urging from Congress.