Certificate to be displayed and carried on the job

54-5014. Certificate to be displayed and carried on the job. (1) All holders of a valid certificate of competency for the classification of contractor or specialty contractor shall display a sign or card for public view in the holder’s place of business. (2) All journeymen, specialty journeymen, apprentices, and specialty apprentices shall have their certificate of competency or annual registration card available at all times while on the job.