It shall be unlawful for any massage establishment and outcall service to employ or retain a person to provide services as a massage technician, and unlawful for any person to work at or for such an establishment or service, unless the person possess a diploma or certificate of graduation from a recognized school of massage, as the terms "recognized school of massage" are defined by subsection 5-23-3(E) of this chapter. (Ord. 1407, 11-25-1986)