Trump administration officials plan to argue the guidelines go beyond what the Supreme Court has decided on the issue.
Tsai also shared scenarios of the real economy combined with digital technology, like accurate forecasts of customer demand, customized production and delivery, AI-based pre-sales and after-sales service, equipment and product financial services supported by the internet of things, as well as a charging model that better meets customer needs.
Trump was quickly accused by Democratic lawmakers of undermining his own intelligence agencies and failing to confront Saudi Arabia over a human rights atrocity.
Trump is currently trailing 2020 Democratic presidential nominee and former US Vice President Joe Biden nationally by 10 points, according to a pair of polls released on Wednesday. Surveys showed tight races in a number of key battleground states, where the two rivals have made frequent campaign stops.
Trump, who was meeting with world leaders at the United Nations on Tuesday, said the impending inquiry would be a "positive for me".
Trump is required to notify the committee no later than Sunday whether he will show up at the hearing, according to Nadler. "By that time, I ask that you also indicate who will act as your counsel for these proceedings," he wrote in the letter.
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Trump drew a firestorm of criticism last year following the deadly incident in Charlottesville when he said "both sides" were to blame for the violence.
Trump originally promised Mexico would pay for the wall, which he says is needed to stem the flow of illegal immigrants and drugs. But Mexico has refused.
Trump on Wednesday is expected to sign legislation that would ensure 800,000 federal employees will receive back pay when the government reopens.
Tsingtao's 2017 fiscal report said the catering market took up more than 50 percent of its sales last year.