Canada has followed through on its promise to impose retaliatory countermeasures against U.S. tariffs on Canadian imports imposed over the weekend, further escalating already tense bilateral trade relations.

Starting September 8, Canada will impose tariffs of 15%, 25%, or 50% on a range of U.S. goods to match the rates levied on Canadian products by the Trump administration under Section 338 and Section 232. According to a press release issued Tuesday (August 25), these tariffs will specifically target steel, dairy products, home appliances, agricultural equipment, electronics, seafood, and pulp and paper. Canada also stated it will introduce a CAD 7.5 billion support program to help businesses affected by U.S. tariffs.

Steel and aluminum imports will face a 50% tariff, similar to previous U.S. tariffs on the same industries, and raising Canada's previous rate from 25%. Appliances, dairy products, fish and seafood, and certain steel and aluminum derivative products will be subject to a 25% tariff. Canada will also maintain existing retaliatory tariffs, including those on U.S. automobiles.

The press release stated: "This targeted response will protect Canadian workers, farmers, fishers, families, and businesses, defend industries harmed by unjustified U.S. tariffs, and help Canadian producers compete with American products in the Canadian market."

Canada's implementation of these new tariffs is a direct response to similar U.S. tariffs on Canadian goods imposed over the past weekend. Although the two North American trading partners negotiated before the tariffs took effect, talks broke down late last week, even after U.S. President Donald Trump had delayed the tariffs for additional discussions.

Canadian Prime Minister Mark Carney said his decision to recall negotiators last Friday (hours before U.S. tariffs took effect) was because the new terms proposed by the Trump administration were "uneconomic, unfair, and undermined Canada's net benefits." Carney subsequently vowed to impose "dollar-for-dollar" retaliatory countermeasures against the new tariffs.

"When the United States asks for too much and gives too little, we choose to stand up for Canadians," said François-Philippe Champagne, Canada's Minister of Finance and Treasury Board, in Tuesday's press release. "Our one-for-one, rate-for-rate retaliatory tariffs and multi-billion-dollar support program will protect workers, farmers, families, and businesses as we build a stronger, more resilient, and more diversified Canadian economy."

The United States blamed Canada for the breakdown of trade talks last week, with Trump announcing Monday additional 50% tariffs on cars, trucks, auto parts, and steel from Canada. However, this tariff threat has not yet been formally recorded, and it remains unclear how the potential tariffs would interact with existing industry tariffs.