Despite some interest in collaboration, NDP Leader Jagmeet Singh says the deal was negotiated in a "behind-closed-doors, take-it-or-leave-it way" and that his caucus will discuss whether to support it.

The federal government did introduce a ratification bill last year, but did not forge ahead with it, preferring not to get ahead of the ratification process in the United States. The bill died when the election was called.

The legislation for the U.S.-Mexico-Canada Agreement passed on an 89-10 bipartisan vote, sending the measure to President Donald Trump for him to sign into law.

A final vote in the Senate would also clear the way for the federal Liberal government in Ottawa, which has long insisted it would wait for U.S. approval before proceeding, to introduce implementation legislation of its own.