TikTok on Monday asked the Supreme Court to block a law that could potentially ban the video-based social media app, which has millions of American users.

TikTok filed an emergency appeal to the Supreme Court on Monday in an effort to block a federal law that would effectively ban the app in the U.S. unless its China-based parent company, ByteDance, sells its stake.

TikTok made a last-ditch effort on Monday to continue operating in the United States, asking the Supreme Court to temporarily block a law intended to force ByteDance, its China-based parent company, to divest the short-video app by Jan.