Illinois Statutes Chapter 765. Property § 750/27. Nondisclosure, confidentiality, and privilege

(a) A landlord may not disclose to a prospective landlord (1) that a tenant or a member of tenant's household exercised his or her rights under the Act, or (2) any information provided by the tenant or a member of tenant's household in exercising those rights.

(b) The prohibition on disclosure under subsection (a) shall not apply in civil proceedings brought under this Act, or if such disclosure is required by law.

(c) A tenant or a member of tenant's household, who is the victim of domestic or sexual violence or is the parent or legal guardian of the victim of domestic or sexual violence, may waive the prohibition on disclosure under subsection (a) by consenting to the disclosure in writing.

(d) Furnishing evidence to support a claim of domestic or sexual violence against a tenant or a member of tenant's household pursuant to Section 15 or 20 shall not waive any confidentiality or privilege that may exist between the victim of domestic or sexual violence and a third party.