Canada had previously indicated that it was open to renegotiations, with Prime Minister Justin Trudeau vowing to work closely with the new U.S. president on the trade deal.
US Secretary of State Rex Tillerson met his Canadian counterpart for the first time on Wednesday for talks that touched on the trilateral NAFTA trade agreement, which President Donald Trump wants to renegotiate.
Trump made free trade deals a major target during his campaign for the presidency.
EPA employees rally in opposition to Trump's choice to lead agency
A key official helping with the Trump transition has suggested the agency's workforce be cut from about 15,000 employees to 5,000. Gaetz has said his bill would shift responsibility for enforcing environmental regulations to the states.
Trudeau will be the third world leader that Trump hosts at the White House since his January 20 swearing-in. Trump adviser Kellyanne Conway also told CNN on Tuesday that Trudeau would come to the White House "next week". She is known for her global experience as a long-time journalist and author and for her contacts south of the border, and is expected to be a fierce advocate for Canadian interests - important qualifications for Trudeau's representative overseas, given the uncertainty surrounding Trump's desire to renegotiate the North American Free Trade Agreement (NAFTA). Israeli Prime Minister Benjamin Netanyahu plans to visit Tuesday, the day after Trudeau. Freeland says she left Washington feeling the issue was far from being settled, according to CTV News Canada, although she did say that after two days of meetings, she felt the situation held promise. The Canadian prime minister talked to other world leaders about how best to engage with Trump ahead of this first meeting, the Guardian reported this week.
Canadian Trade Minister Chrystia Freeland has said that her Government would be "strongly opposed to any imposition of new tariffs between Canada and the United States".