The law says it will be “unlawful” for entities to “distribute, maintain or update” the app including its source code, or by “providing services” that allow it to keep running as it is now. This distribution, maintenance, or updates could be, the law says, by means of mobile app stores that can be accessed in the US or by “providing internet hosting services.”

“The law really deliberately avoided saying that it was illegal to have the app on your phone,” says Milton Mueller, a professor and co-founder of the Internet Governance Project at the Georgia Institute of Technology, who filed an amicus brief to the Supreme Court in opposition of the ban. “Their attempt is to say, nobody new can download it from the Apple or Google stores, and nobody who has it can update it through those stores,” Mueller says. “There’s nothing in the law that says ‘TikTok you must block US users’, which is again interesting.”

If TikTok is removed from Apple’s App Store and Google’s Play Store in the US, it will not be possible to directly install new updates that will add new features, fix bugs within the code, or quash security flaws. Over time, that means TikTok will stop functioning properly. Apple didn’t respond to WIRED’s request for comment, while Google declined to comment on what it will do if the law comes into effect.

The law’s other focus is on stopping “hosting” companies providing services to TikTok—and the definition is pretty wide. Hosting companies “may include file hosting, domain name server hosting, cloud hosting, and virtual private server hosting,” the law says. Since the summer of 2022, as TikTok faced pressure about its Chinese ownership, the company has