Canada's proposed plastics ban is getting pushback from south of the border. Nearly 70 U.S. organizations representing the plastics industry sent a letter to several ministers last month warning that a ban on plastic products could violate the USMCA. https://www.politico.com/newsletters/corridors/2020/10/07/the-us-plastic-lobby-comes-to-ottawa-790861

They say a ban “clearly meets the definition of a non-tariff barrier," and could affect $12.1 billion in U.S. exports to Canada. They also say Ottawa hasn't consulted with the U.S. on the proposed ban.

Environment Minister Jonathan Wilkinson's office says the government will consult with trade partners once it releases a discussion paper with the list of products to be banned — that's likely coming in just a few minutes: https://www.theglobeandmail.com/business/article-ottawa-set-to-release-preliminary-list-of-banned-single-use-plastic/

A trade lawyer I spoke with said this is all sabre-rattling and won't amount to anything. But these groups, which include the American Chemistry Council, the Plastics Industry Association and the U.S. Chamber of Commerce, have had some success in blocking plastic bans in the U.S.