US treasury chief Mnuchin in China tariff warning
New tariffs on $156bn of Chinese goods will be imposed if a trade deal is not finalised by 15 December, the US Treasury Secretary has warned.
Steven Mnuchin said he still hoped a tentative US-China deal agreed last week to suspend fresh tariffs would be formally approved.
But his caution, during a CNBC interview, seemed in contrast with President Trump's optimism last week.
Wall Street shares dipped at the open on worries about reaching a final deal.
Last Friday, the US agreed to hold off on a planned 25%-30% tariff increase on Chinese imports that was due to come into effect on Tuesday. It followed two days of talks in Washington between Liu He, China's vice-premier, and US officials.
President Donald Trump, who described the talks as a "love fest", said the preliminary deal would take about five weeks to complete.
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He added that he might sign the deal alongside Chinese President Xi Jinping at a United Nations summit in Chile in December.
However, Chinese officials have been more cautious about the outcome, simply claiming there had been progress between the countries.
Mr Mnuchin told CNBC: "I have every expectation if there's not a deal, those tariffs would go in place – but I expect we'll have a deal."
There are still major issues to be negotiated, including industrial subsidies and cybertheft.
Mr Mnuchin said more trade negotiations at various levels would take place over the coming weeks, including a phone call between himself, US Trade Representative Lighthizer, and Mr Liu.
Asked on CNBC about a dispute between China and the US National Basketball Association, stemming from a tweet by Houston Rockets manager Daryl Morey expressing support for pro-democracy protests in Hong Kong, Mr Mnuchin said he hoped the two sides could come to a solution.