There are more than one band with the name 'No Authority':

1. An American boy band, who biggest single, "Can I Get Your Number?", was a top 40 airplay hit in 2000. They started out in the late 90's with Ricky Godinez, Eric Stretch, Danny Zavatsky and Josh Keaton. Josh left the group and Tommy McCartney replaced him. They broke up in 2001

2. A German ska and punk band that formed in the 1990s.

3. A Czech young punk - rock band.

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