As a ban looms over the social media app and its 170 million users, TikTok said it will be “forced to go dark” on Sunday unless the Biden administration explicitly declares that it will not enforce the ban.

TikTok said it would “go dark” on Sunday unless President Joe Biden’s administration offered assurance that it would not enforce a ban upheld Friday by the Supreme Court for the app’s U.S. operations to be sold or booted over “national security concerns.

President Joe Biden appears to be backpedaling on the TikTok ban he signed last year. His administration is now saying it won’t enforce the law that will boot the popular platform from app stores, which is scheduled to begin on Sunday, the day before he leaves office.