Reps. Rick Crawford, R-Ark., and Frank Mrvan, D-Ind., the leaders of the Congressional Steel Caucus, told Commerce Secretary Gina Raimondo that fabricated structural steel and prestressed concrete strand need to be subject to 25% Section 232 tariffs, because "bad actors" are exporting the goods to avoid the 25% tariffs on steel.

Sens. Elizabeth Warren, D-Mass., and Marco Rubio, R-Fla., reintroduced a bill that would require the Federal Trade Commission, in consultation with the Commerce Department, to write a report on the effects of foreign investment in U.S. pharmaceutical supply chains. The senators said their bill would provide information that would help the U.S. reduce its dependence on potentially unreliable imports, including ingredients used in generic drugs. The United States Pharmaceutical Supply Chain Review Act was referred to the Senate Banking Committee.

Rep. Carol Miller, R-W.Va., led a bipartisan letter asking the International Trade Commission to consider an antidumping and countervailing duty case brought by Ferroglobe and CC Metals and Alloys.

House Ways and Means Committee members Rep. Randy Feenstra, R-Iowa, and Rep. Dan Kildee, D-Mich., led some fellow committee members and other House members in asking U.S. Trade Representative Katherine Tai to brief them on the status of the dispute over Mexico's policy on genetically modified corn, and how that might affect the 2026 review of the USMCA.

Rep. Michelle Steel, R-Calif., introduced legislation that would require mediation "to be exhausted" before port workers can go on strike, she announced Oct. 2. She called the bill the Safeguarding the Supply Chain Act.

Eight Republicans, led by Rep. Carol Miller, R-W.Va., asked the Commerce Department to reconsider how importers of hardwood plywood can participate in a certification regime, so that CBP knows those imports are not within the scope of an anti-circumvention case on Vietnamese hardwood plywood with Chinese inputs.

Rep. Jared Golden, a Maine Democrat representing a district with a majority of Donald Trump voters, has introduced a bill to impose a blanket 10% additional tariff on all imports, an echo of Trump's original proposal. The former president later said he might impose a 20% tariff on those imports.

An effort to change CBP rules to allow more information sharing on counterfeits with rights holders has been attached to the must-pass National Defense Authorization Act, Sen. Chuck Grassley, R-Iowa, said this week.

A hearing about the Time to Choose Act, a bipartisan bill that would ban consultants and other service providers from working both with the U.S. government and Chinese-owned companies, Senate Homeland Security Committee ranking member Rand Paul, R-Ky., said he agreed with a witness who said it could create a slippery slope.

More than 70 members of the House of Representative are asking the administration to ask the European Union to delay its deforestation reporting requirements, which they say would be impossible to meet for wood chips and fluff pulp, used in menstrual pads and diapers.