US SB959

Requires the U.S. International Trade Commission to investigate and report to Congress on the impact of 25% duties on imports from Mexico and Canada, and 10% duties on Canadian energy imports proposed by President Trump

Mandates assessment of consumer price impacts across specific categories including food, energy, critical minerals, vehicles, housing construction, pharmaceuticals, apparel, consumer electronics, farming inputs, and defense manufacturing

Requires analysis of retaliatory measures by Mexico and Canada, including retaliatory duties and export restrictions, and their effects on U.S. consumers, small businesses, farmers, and ranchers

Directs evaluation of business uncertainty caused by arbitrary delays, pauses, and ad hoc tariff announcements, including impacts on business investment, job creation, contract cancellations, and producer prices

Report must be submitted to Congress within one year of enactment with confidential business information removed