Ill. Admin. Code tit. 2, § 926.210
a) This Section pertains to oral requests for files and written requests that do not comply with Section 926.420. All contents of files maintained by the Agency pertaining to charges shall be confidential and not subject to public disclosure. The only exceptions are as follows:
B) work papers and draft documents;
F) the identities of confidential witnesses; and
b) Parties to a charge may inspect materials that are disclosable pursuant to subsection (a)(1) of this Section upon making arrangements with the Agency at any time subsequent to:
3) Approval of terms of settlement by the Human Rights Commission.