The United States and Mexico are set to start negotiations on the U.S.-Mexico-Canada Agreement (USMCA), ahead of a scheduled review of the sweeping trade deal this summer.

Preliminary bilateral talks between the U.S. and Mexico kicked off on March 16, as the two nations look to address a range of potential issues related to production, rules of origin and supply chain security, the Associated Press reports. The two sides then expect to meet regularly in the days leading up to an official joint review of the USMCA on July 1, where the U.S., Mexico and Canada will come together to decide on whether to continue the agreement, renegotiate it, or end it altogether. 

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Under the terms of the USMCA, Mexico has been able to avoid the vast majority of major impacts from the Trump administration's trade policies over the last year. But the pact hasn't fully shielded Mexico, which has still faced 25% tariffs on medium and heavy duty trucks, 50% tariffs on steel, aluminum and copper, and 17% tariffs on its tomato exports to the U.S. 

In early March, U.S. Trade Representative Jamieson Greer said that U.S. and Canadian officials were also planning to meet in the coming weeks to discuss the USMCA, although a specific date was not provided. Relations between Canada and the U.S. have been especially tense in recent months, with the two sides clashing over tariffs and cross-border energy policies, while President Donald Trump has frequently derided Canada as the "51st state," and hinted that he may be willing to pull out of the trade pact if certain terms aren't met.