Top officials from the U.S., Mexico and Canada are close to agreeing to changes to the new North American trade pact that would allow for House Democrats to put the deal up for a vote, Mexico's top trade official said on Wednesday. "We’re reaching understandings. We’re now looking at very specific details, but I think we’re heading towards a deal," Mexican Undersecretary for North America Jesús Seade told reporters after meeting for roughly four hours during the morning with U.S. Trade Representative Robert Lighthizer. "Everything looks like it's heading in the right direction," he added. Story Continued Below The latest flurry of trilateral engagement comes as Lighthizer works with House Democrats to make changes to the USMCA surrounding the pact’s labor, environment, enforcement and prescription drug provisions. Canada and Mexico both need to agree to any updates to the deal, which the three countries signed a year ago. Canadian Deputy Prim