The U.S. Supreme Court agreed on Friday to decide the legality of a key component of the Affordable Care Act that effectively gives a task force established under the landmark healthcare law known as Obamacare the ability to require that insurers cover preventive medical care services at no cost to patients.

TikTok has repeatedly denied any potential influence by the Chinese Communist Party and has said the law violates the First Amendment free speech rights of its users. TikTok is already banned from government devices in many countries, including in the UK. It faces more complete bans in some countries, including India.

The law that could ban TikTok is coming before the Supreme Court on Friday morning, with the justices largely holding the app’s fate in their hands. Here is the Latest: Why does the US see TikTok as a security threat?