The Trump administration plans to impose new tariffs on dozens of trading partners, including Canada, over allegations the countries are allowing goods produced by forced labour into their supply chains.

The president's trade adviser also recommended a 12.5 percent duty for dozens of other countries. The tariff rates are not yet final.

The U.S. Trade Representative has announced the Trump administration is proposing tariffs of 10% or more for dozens of major trading partners following a probe into alleged forced…