Concern is growing among Canadian officials that President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE will soon decide to withdraw from the North American Free Trade Agreement (NAFTA).

Canadian government officials are worried that Trump is planning to finally follow through on his repeated threats leave NAFTA and will make a move later this month ahead of the start of the sixth round of negotiations in Montreal, Reuters reported on Wednesday.

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But a Toronto Star report said that while Canada is "actively preparing" for a possible withdrawal, officials aren't "convinced" that Trump will abandon the agreement.

Withdrawal from the three-nation deal would take six months.

Trump has said many times he would pull the nation out of the 24-year-old deal if he couldn't see a way to win more benefits for the United States.

Last fall, U.S. Trade Representative Robert Lighthizer Robert (Bob) Emmet LighthizerWhiskey, workers and friends caught in the trade dispute crossfire GOP senator warns quick vote on new NAFTA would be 'huge mistake' Pelosi casts doubt on USMCA deal in 2019 MORE tried to calm concerns about a withdrawal, saying the Trump administration had every intention of completing the negotiation of an updated NAFTA with Mexico and Canada.

After Wednesday's report, the Canadian dollar and stocks fell. The Mexican peso also dropped in value.

Trump and his Agriculture Secretary Sonny Perdue George (Sonny) Ervin PerduePerdue has found the right path in National Forests Democrats seek clarity on payroll tax deferral for federal workers USDA extending free meals for kids through end of the year if funding allows after criticism MORE came up short Monday on making any firm promises that a NAFTA update could be done while making remarks to the American Farm Bureau Federation convention in Nashville.

Trump kept his remarks more general, saying “on NAFTA, I’m working very hard to get a better deal for our country and for our farmers and for our manufacturers."

"It's under negotiation as we speak," he said. "But think of it: When Mexico is making all of that money, when Canada is making all of that money, it's not the easiest negotiation. But we're going to make it fair for you people again."

Still, the remarks lacked any defense of the pact and didn't erase the notion that Trump may, at any point, decide to ditch the deal.

Lawmakers on Capitol Hill, like Senate Agriculture Committee Chairman Pat Roberts Charles (Pat) Patrick RobertsThe Hill's Morning Report - Sponsored by National Industries for the Blind - Trump seeks to flip 'Rage' narrative; Dems block COVID-19 bill GOP senators say coronavirus deal dead until after election Trump says he'll sign USPS funding if Democrats make concessions MORE (R-Kan.), who traveled with the president to the meeting, has been part of a group pressing the president to stick with the NAFTA negotiations.

Meanwhile, in his remarks to farmers, Perdue said that Canada will need to more fully engage its negotiating game to get the deal done.

In previous statements, Lighthizer has expressed disappointment that Mexico and Canada were resisting proposed changes to NAFTA.

Both nations have complained that many U.S. proposals put forth during talks were non-starters.

The U.S. Chamber of Commerce has called some of those ideas "dangerous."

Chamber President Tom Donohue said Wednesday that not completing a NAFTA upgrade would be a "grave mistake."

This story was updated at 3:20 p.m.