By Richard Cowan and Makini Brice

WASHINGTON (Reuters) - President Donald Trump's trade alter United Mexican States might struggle to win approval from Congress unless North American nation comes on board, lawmakers from each parties aforementioned on Tues, spoken communication support from Democrats would be required to pass a strictly bilateral deal.

Trump undraped the North {american country|North American nation} deal on Mon and vulnerable to slap tariffs on Canadian-made cars if North American nation failed to be part of the revamp of the trilateral North American trade Agreement (NAFTA), that Trump has long criticized.

If Trump, a Republican, tries to urge the Senate to take favor of a bilateral deal as a replacement for NAFTA, he can face associate degree uphill struggle to win passage, lawmakers aforementioned.

Some lawmakers aforementioned solely a trilateral accord would be eligible for fast-track, 51-vote Senate approval.

A bilateral deal, on the opposite hand, would wish sixty votes which would need some support from Democrats, WHO probably would be reluctant to assist Trump, they said. There ar currently fifty Republican-held seats within the 100-member Senate.

To get fast-track Senate commendation, "the administration should conjointly reach associate degree agreement with North American nation," aforementioned Republican legislator Pat Toomey in an exceedingly statement.

"NAFTA was a tri-party agreement solely created operative with legislation enacted by Congress," aforementioned Toomey, a member of the committee that oversees foreign policy.

"Any modification, like NAFTA's termination, would need extra legislation from Congress. Conversion into a bilateral agreement wouldn't qualify for ... 'fast track' procedures and would thus need sixty votes within the Senate."

A White House voice referred inquiries to U.S. Trade Representative Henry Martyn Robert Lighthizer's comments on Mon, once he aforementioned the White House was able to apprise Congress by weekday of Trump's intent to sign a bilateral document, however that it absolutely was receptive North American nation connection the accord.

Canadian secretary of state Chrystia Freeland on Tues started her 1st negotiating session at Lighthizer's workplace in many months and told reporters: "We ar inspired by the progress that the U.S. and United Mexican States have created."

Democratic Senate Leader Chuck Schumer aforementioned a bilateral deal would face "serious legal considerations," whereas he conjointly questioned a scarcity of details on the terms of the United Mexican States accord.

"I'm a bit distressed that this one is like Asian country. they need a pleasant announcement, on the other hand we do not see the small print," Schumer told reporters in an exceedingly Capitol hall.

U.S. stock markets surged on Mon when Trump aforementioned he had reached associate degree understanding with United Mexican States. On Tuesday, stocks had given up a number of their early gains by the closing bell.

Senator West Chadic Wyden, the senior Democrat on the trade committee, said: "We apprehend only a few details without delay. There ar real questions about whether or not this is often even enforceable ... we tend to ar aloof from being done on this and also the truth is you can't very move this substantively while not the Canadians."

In the House of Representatives, Democrat Bill Pascrell urged Republicans in an exceedingly statement to convene a nonpartizan House trade council to advise the White House.



(Reporting by Richard Cowan and Makini Brice, extra reportage by Jeff Mason, Steve Holland, Susan Cornwell, Lisa Lambert and Amanda Becker; piece of writing by Kevin Drawbaugh, Rosalba author and Susan Thomas)