The agreement also provides updated intellectual property protection, gives the United States increased access to the Canadian milk market, imposes a quota for Canadian and Mexican auto production, and increases duty-free treatment for Canadians who purchase IN FROM THE UNITED STATES. Online goods from US$20 to US$150.  The full list of differences between the USMCA and NAFTA can be found on the USTR (United States Trade Representative) website.  Summary of multilateral agreements between Canada, Mexico and the United States. To view the full text of the agreement between the United States, Mexico and Canada, click here. The U.S. Mexico-Canada Agreement (USMCA) is a trade agreement between these parties. The USMCA replaced the North American Free Trade Agreement (NAFTA). .