The combined countervailing and anti-dumping duty rates will be 13.86 per cent for most Canadian producers, up from 8.05 per cent

The U.S. Department of Commerce plans to raise tariffs levied against Canadian softwood lumber producers, marking the latest salvo in the long-running trade dispute.

Based on the Commerce Department’s preliminary assessment, the combined countervailing and anti-dumping duty rates will be 13.86 per cent for most Canadian producers, compared with 8.05 per cent currently.