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.

But it wasn't just Trump pushing Carney to reconsider the tax. A nonprofit representing CEOs and leaders of some of Canada's biggest businesses, the Business Council of Canada, had warned that Carney defending the tax risked "undermining Canada’s economic relationship with its most important trading partner," Al Jazeera reported.