No individual employed at a massage establishment may perform or engage in message services as defined in this chapter unless he or she is a certified massage therapist licensed in the State of Illinois or a massage therapist in training. Proof of state license for all certified message therapists employed at a massage establishment shall be kept on file at the establishment. All massage establishments must have at least one certified massage therapist performing services on its behalf. (Ord. 2020.05, 7-6-2020)