Treasury Secretary Steven Mnuchin Steven Terner MnuchinHillicon Valley: DOJ proposes tech liability shield reform to Congress | Treasury sanctions individuals, groups tied to Russian malign influence activities | House Republican introduces bill to set standards for self-driving cars Treasury: Trump's payroll tax deferral won't hurt Social Security Treasury sanctions individuals, groups tied to Russian malign influence activities MORE urged President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE at a White House trade meeting on Tuesday to exempt Canada from the steel and aluminum tariffs that were recently announced, sources told ABC News.

Mnuchin told the president that, because the U.S. has a $2 billion steel surplus and more than a $25 billion service surplus with Canada, he should consider exempting the nation from the tariffs, ABC News reported.

“He’s still deciding on what to do about Canada,” one source told ABC News, referring to Trump.

Trump announced last week that he would implement a 25 percent tariff on imported steel and a 10 percent tariff on imported aluminum from key allies, including Canada, Mexico and the European Union (EU).

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The EU, Canada and Mexico had previously been exempt from the tariffs, which Trump originally announced in March.

The newly announced tariffs have caused some to fear a possible trade war with U.S. allies, an issue that is likely to come up at the Group of Seven summit in Canada on Friday.

Canadian Prime Minister Justin Trudeau said it is “insulting” that the U.S. considers Canada a national security threat.

To justify the tariffs, Trump cited Section 232, a rarely invoked law that allows tariffs to be placed on a country for national security reasons.

Trudeau noted that Canada will also place similar tariffs on steel, aluminum and other consumer goods in retaliation for the tariffs.

The U.S. has been negotiating a new North American Free Trade Agreement with Canada and Mexico in recent months.

The director of the National Economic Council, Larry Kudlow, has said that Trump is considering negotiating separate trade agreements with Mexico and Canada.

The U.S. had a $17.5 billion goods deficit with Canada in 2017 and — when services are included in the measurement — an overall surplus of $8.4 billion with Canada in 2017, according to the U.S. Trade Representative’s office.