The 32-page complaint challenges Washington's use of anti-dumping and anti-subsidy duties, according to the World Trade Organization (WTO). Ottawa has cited around 200 examples of alleged US wrongdoing, almost all of them concerning other trading partners too, such as China, India, Brazil and the European Union.
Canadian Foreign Minister Chrystia Freeland said the legal action was in response to “unfair and unwarranted” US duties....
Under WTO rules, the United States has 60 days to try to settle the complaint. Otherwise Canada, which sends 75 percent of its goods exports to the US, could ask the trade organization to adjudicate.