The law was prompted by concerns that US users' data is vulnerable to exploitation by China's government.
TikTok and ByteDance have repeatedly denied links to the Chinese authorities.
The companies sued to block the legislation in early May, calling it unconstitutional and an effective ban on the speech of its 170 million US users.
A panel of three judges heard its arguments at an appeals court in Washington DC on Monday.
ZIP 103 FM started to broadcast on June 9, 2002, and continues to provide our listeners with the latest in music from a range of genres including Hip Hop, Pop, Rock, Alternative, Soca, Reggae, Dancehall, EDM, Dance and Afrobeats. DYNAMIC, FUN, REFRESHING, HIGH ENERGY and INNOVATIVE are the hallmarks of our programming format.
Check out our social media pages
