Starting Sunday, if the company is not sold, app stores and cloud providers who continue to host it will face billions of dollars in fines.

Washington — The Supreme Court on Friday upheld a new law that would lead to a ban of the social media platform TikTok, clearing the way for the widely popular app to shutter in the U.S. as soon as Sunday.

The U.S. Supreme Court is viewed as open to upholding a national-security law that will shut down the video-sharing app nationwide on Sunday if it continues to be controlled by its Chinese parent company.