Of course the U.S. has no authority over any two foreign companies that do no business within the country. However, if one of the two companies engages in inter

Of course the U.S. has no authority over any two foreign companies that do no business within the country. However, if one of the two companies engages in interstate commerce in the U.S. -- which TikTok does -- it is considered to be a U.S. business [1] for the purposes of the CFIUS review. [1] https://casetext.com/regulation/code-of-federal-regulations/title-31-money-and-finance-treasury/subtitle-b-regulations-relating-to-money-and-finance-continued/chapter-viii-office-of-investment-security-department-of-the-treasury/part-800-regulations-pertaining-to-certain-investments-in-the-united-states-by-foreign-persons/subpart-b-definitions/800252-us-business https://casetext.com/regulation/code-of-federal-regulations/...