The Department of Justice is asking a U.S. appeals court to reject a bid from TikTok to block the law that would force TikTok’s parent company, ByteDance, to divest.

Congress passed a bill earlier this year that President Joe Biden signed into law that forces TikTok to divest from ByteDance or face a ban in the United States. Lawmakers have been concerned about the Chinese government’s ability to access American users’ data.