Imposing 50% tariffs on some Canadian products, the U.S. restarts the trade war!

The United States has once again wielded the tariff stick against one of its most important trading partners, sharply escalating the risks of global trade friction.

According to CCTV News, the White House issued a statement on July 20 local time announcing an additional 50% ad valorem tariff on certain Canadian products, citing "discriminatory measures" by Canada in the trade of automobiles and auto parts. The new tariffs will officially take effect at 00:01 a.m. ET on August 19 and will be levied on top of existing tariffs, taxes, and other charges.

This move marks a renewed escalation of the Trump administration's trade offensive. Canada is the United States' second-largest trading partner, with bilateral trade between the two reaching $716 billion last year. After the announcement, the Canadian dollar immediately dropped to its lowest point of the day. The Canadian Chamber of Commerce characterized this threat as a "regrettable escalation" and called for negotiations between the two countries within the next 30 days.

Scope and Details of the Tariffs

According to the specific product list released by the Trump administration on Monday evening, the 50% tariff covers a wide range of products, including milk and dairy products, alcoholic beverages, apparel, and furniture. The new tariffs will take effect 30 days later. Energy, potash, key minerals, fish, and other products are exempted, and goods already subject to U.S. national security tariffs, such as steel and aluminum, are not included in this round of increases.

Notably, imported goods that meet the terms of Trump's 2020 United States-Mexico-Canada Agreement (USMCA) are not exempt from these tariffs. This creates a stark contrast with previous practices, where USMCA goods were excluded from so-called "reciprocal tariffs." According to media reports, the absence of exemptions means that a large number of Canadian goods currently entering the U.S. duty-free will now face significant tax hikes.

Reports indicate that senior Trump administration officials have characterized this tariff action as a direct response to Canada’s unfair trade practices. Officials stated that Canadian provinces have stopped purchasing U.S. alcoholic beverages, imposed tariffs on U.S. automobiles, and implemented discriminatory treatment toward U.S. cheese.

A senior government official noted that at the start of Trump’s trade policy last year, "only two countries retaliated against the U.S." and Canada was one of them.

The new tariffs will invoke Section 338 of the Tariff Act of 1930 as their legal basis—a clause that has never before been used to impose tariffs on trading partners. Officials explained that this law grants the President authority to act when other countries implement discriminatory measures against the U.S.

Moreover, U.S. officials emphasized that this round of tariffs is independent of another tariff threat Trump made last Friday related to Canadian wildfire smoke entering the United States; both measures are being advanced in parallel.

Canada responded swiftly. Ontario Premier Doug Ford posted on social media platform X: "I will never stop fighting for Ontario," calling for Canada to retaliate in a "tariff for tariff, dollar for dollar" manner. Ford, who recently had adopted a more conciliatory stance after previously angering Trump with anti-tariff ads, returned to a tougher tone on this occasion.

The Canadian Chamber of Commerce has taken a relatively restrained position, describing the situation as a "regrettable escalation" and calling on Washington and Ottawa to engage in dialogue during the 30-day window ahead of the new tariff’s implementation, leaving room for a negotiated solution.

Analysts pointed out that Trump’s move could reignite global trade tensions that had previously cooled. Earlier this year, the U.S. Supreme Court overturned Trump’s emergency global tariff measures, easing trade tensions for a time. However, this new round of tariffs against Canada has once again raised market concerns about a potential return of trade wars.