Teens will be able to extend that threshold using a passcode; younger kids will have to get a guardian's help.
China, which unilaterally blocks YouTube, Facebook and other U.S.-based platforms, decries suppressing "other countries' companies."
The Office of Management and Budget called the move a “critical step forward in addressing the risks presented by the app to sensitive government data.”
The action follows similar government bans in the United States and the European Union.
The short-form video app known for breaking viral hits, is using music in a different way Down Under.
The dad of 12 said his eldest daughter has caught "the entertainment bug."
Monroe Cannon and North took center stage in the adorable clip.
In a new letter, Sens. Richard Blumenthal and Jerry Moran urge a U.S. government committee to "potentially separate" TikTok from its Chinese parent company.
"TikTok should end this ‘test’ immediately and restore music access to all users and creators,” comments ARIA CEO Annabelle Herd.
The catalog, which features songs by Snoop, 2Pac and more, will get a wide release on streaming services next week.