Minn. Stat. § 154.27: MISREPRESENTATION.

No person shall represent themselves to the public, solicit business, advertise as a registered barber or as operating a registered barber shop, use the title or designation of barber or barber shop, engage in any other act or practice that would create the impression to members of the public that the person is a registered barber or is operating a registered barber shop unless the person holds the appropriate registration under this chapter. Violation of this section is a petty misdemeanor.