Minn. Stat. § 154.28: SYMBOLS; BARBER POLE.

No person shall place a barber pole in a location that would create or tend to create the impression to the public that the business is a barber shop unless the operator holds a valid registration under this chapter. For the purposes of this section, "barber pole" means a red and white or red, white, and blue striped vertical cylinder commonly recognized as a barber pole. Violation of this section is a petty misdemeanor.