Idaho Code § 54-5824: barber poles.

Only persons licensed pursuant to the provisions of this chapter as a barber or barber-stylist may:

(1) Hold themselves out to the public, solicit business or advertise as a licensed barber or as operating a licensed barbershop;

(2) Use the title or designation "barber" or "barbershop" under circumstances that would create or tend to create the impression to members of the general public that the person is a licensed barber, is a licensed barber-stylist, or is operating a licensed barbershop; or

(3) Place a barber pole in a location that would create or tend to create the impression to members of the general public that a business located near the barber pole is a barbershop, unless the business is a licensed cosmetology establishment that is leasing space to or employing a licensed barber or a licensed barber-stylist. As used in this section, "barber pole" means a red and white striped vertical cylinder with a ball located on top of the cylinder or any object of a similar nature, regardless of its actual shape or coloring, that would create or tend to create the impression to members of the general public that a business located near the object is a barbershop.