No additional talks are scheduled as the U.S. implements the new duties, the official said.
Trump last month threatened to impose a raft of duties on a range of Canadian imports including wine, furniture, dairy products, cement, clothing, fishing rods, hockey equipment.
The tariffs, which do not qualify for preferential treatment under the U.S.-Mexico-Canada free-trade agreement, open up some already vulnerable sectors to potential severe damage that could lead to job losses and business…