TikTok said it will have to “go dark” this weekend unless the outgoing Biden administration assures the company it won’t enforce a shutdown of the popular app after the Supreme Court on Friday unanimously upheld the federal law banning the app unless it’s sold by its China-based parent company.

TikTok said it needs more clarity from the Biden administration and the DOJ on its status as of this Sunday or it will be forced to go dark.

TikTok said its services will go dark on Sunday unless the Biden administration gives a definitive statement providing assurances for Apple, Google and other service providers. The Supreme Court on Friday ruled unanimously to uphold a law requiring that parent company ByteDance sell TikTok or see it be effectively banned in the U.