President Donald Trump said in an Oval Office signing ceremony Monday evening that his administration will impose 25% tariffs on Mexico and Canada on February 1, an extraordinary change in North American trade policy that could raise prices for American consumers.

President Donald Trump told reporters hours after taking office that he was considering levying a blanket duty on Mexico and Canada on Feb. 1.

Trump in response to a reporter’s question said the administration was considering imposing tariffs of 25% on imports from Mexico and Canada as soon as Feb. 1. The moves, if implemented, would kickstart a long-expected trade war between the three countries.