The holder of a barber shop permit is responsible for: The condition and operation of the shop in compliance with the laws and regulations governing the practice of barbering; Displaying a sign containing the name and nature of the establishment, in at least 3-inch bold display-type lettering, on the outside of the premises in full view of the street or public walkway unless otherwise directed by the Board; Displaying, in full view of the public: The shop permit; A zoning certification or other approval for the practice of barbering on the premises; and A condensed version of the laws and regulations regarding the licensing and regulation of individuals authorized to perform services in a barber shop, and owners of a barber shop, as provided by the Board; Ensuring that all employees of the shop are properly licensed or registered; Ensuring that an employee does not perform services beyond the scope of the applicable license or registration; Employing a sufficient number of master barbers who are qualified to supervise the training of apprentices to ensure that each apprentice being trained in the shop is individually supervised and trained.