But Bytedance, the app’s parent company, is pushing back. It has lodged a legal challenge calling the measure unconstitutional and accusing the government of “unprecedented ... the tone for US-China ...

It comes after a challenging few years for ByteDance which has faced tougher regulation at home ... data can end up in the hands of the Chinese government. ByteDance is not public.

The U.S. has failed to pass major social media regulations governing ... operate independently of ByteDance executives in Beijing, are not influenced by the Chinese government, have never been ...