WASHINGTON — TikTok warned late Friday (Jan 17) it will go dark in the US on Sunday unless President Joe Biden’s administration provides assurances to companies like Apple and Google that they will not face enforcement actions when a ban takes effect.

The statement came hours after the Supreme Court upheld a law banning TikTok in the US on national security grounds if its Chinese parent company ByteDance does not sell it, putting the popular short-video app on track to go dark in just two days.

The court’s 9-0 decision throws the social media platform — and its 170 million American users – into limbo, and its fate in the hands of Donald Trump, who has vowed to rescue TikTok after returning to the presidency on Monday.

“Unless the Biden Administration immediately provides a definitive statement to satisfy the most critical service providers assuring non-enforcement, unfortunately TikTok will be forced to go dark on January 19,” the company said.

The White House declined to comment.

Apple, Alphabet’s Google, Oracle and others could face massive fines if they continue to provide services to TikTok after the ban takes effect.

The law was passed by an overwhelming bipartisan majority in Congress last year and signed by Biden, though a growing chorus of lawmakers who voted for it are now seeking to keep TikTok operating in the US.

TikTok, ByteDance and some of the app’s users challenged the law, but the Supreme Court decided