Digital services taxes targeting the revenue of big technology companies have returned as a flash point in President Donald Trump’s efforts to rewrite the rules of global trade.

Canada said it would rescind a digital-services tax in a bid to salvage trade discussions with the U.S. after President Trump paused talks on Friday. Canada’s finance department was set to collect billions of dollars from U.

Ottawa said Prime Minister Mark Carney and President Donald Trump had agreed to resume negotiations on a trade agreement and would aim to reach a deal by July 21.