A report in The Globe and Mail says the Canadian government has sent letters outlining its position on the softwood lumber trade dispute to NAFTA officials.

The government had previously said it would use NAFTA’s dispute settlement mechanism in it’s battle against softwood lumber duties.

The Globe and Mail story says that a law firm representing the Canadian government hired a courier to drop off a letter to Paul Morris, secretary of the U.S. section of the NAFTA Secretariat.

According to the Globe article, “This week’s letter from Canada asserts that the Commerce Department relied “on the discredited findings from Lumber IV,” and that punitive duties are “unsupported by substantial evidence on the record and otherwise not in accordance with law.””

Read the full article here.