225 ILCS 50/12

(a) Hearing aid technicians may be employed by a hearing instrument professional to assist in the dispensing and servicing of hearing instruments without a license. A hearing aid technician must work under the direct supervision of a licensed hearing instrument professional. (b) The duties of a hearing aid technician are limited to the following: (1) packaging and mailing earmold orders, repaired devices, and manufacturer or lab returns; (2) maintaining an inventory of supplies; (3) performing checks on hearing aids and other amplification devices and equipment; (4) troubleshooting and performing minor repairs to hearing aids, earmolds, and other amplification devices which do not alter the shape, sound characteristics, or performance of the device; (5) cleaning of hearing aids and other amplification devices; (6) performing electroacoustic analysis of hearing aids and other amplification devices; (7) instructing patients in proper use and care of hearing aids and other amplification devices; (8) demonstration of alerting and assistive listening devices; (9) performing infection control duties within the clinic or service; and (10) contacting hearing instrument manufacturers and suppliers regarding status of orders and repairs. (c) The licensed hearing instrument professional is responsible for all services performed by the hearing aid technician under the professional's direct supervision.