The United States is officially starting the process of reviewing the Canada-U.S.-Mexico Agreement as President Donald Trump continues to shake up continental trade with his tariff agenda.

The U.S. Trade Representative is set to begin 45 days of public consultations ahead of the mandated review of the trade agreement, better known as CUSMA, next year.

A preliminary Federal Register notice posted online Tuesday, set for publication Wednesday, said there also will be a public hearing in November.

It marks the first official step toward renegotiating the sweeping trade deal that was signed during the first Trump administration. Trump has praised the deal but also has described it as “transitional” and has questioned whether it’s still necessary.

The continental deal has shielded Canada an

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