Ill. Admin. Code tit. 4 § 875.30
"Complainant" is an individual with a disability who files a Grievance Form provided by the Department under this procedure.
"Department" means the Illinois Department of Revenue.
"Designated Coordinator" is the person appointed by the Department Director who is responsible for the coordination of efforts of the Department to comply with and carry out its responsibilities under Title II of the ADA including investigation of grievances filed by complainants. The Designated Coordinator may be contacted at The Illinois Department of Revenue, Attn: Personnel Manager, 101 W. Jefferson Street, Springfield, IL 62794. See 28 CFR 35.107.
"Grievance" is any complaint under the ADA by an individual with a disability who meets the essential eligibility requirements for participation in or receipt of the benefits of, a program, activity or service offered by the Department, and believes he or she has been excluded from participation in, or denied the benefits of any program, service or activity of the Department or has been subject to discrimination by the Department.
Ill. Admin. Code tit. 4, § 875.30