Illinois Administrative Code
Title 80 - PUBLIC OFFICIALS AND EMPLOYEES
Part 1650 - THE ADMINISTRATION AND OPERATION OF THE TEACHERS' RETIREMENT SYSTEM
Subpart B - BASIC RECORDS AND ACCOUNTS
Section 1650.160 - Confidentiality of Records

The Board, its Executive Director, and agents and employees of the System are prohibited from disclosing the contents of a member's, annuitant's, or beneficiary's files, records, papers, or communications except: for purposes connected with the official responsibility of the Teachers' Retirement System; to other systems subject to and participating in the Reciprocal Act; to the Department of Central Management Services for annuitant health insurance purposes; to the Social Security Administration for government pension offset determination and windfall elimination purposes; upon express (e.g., mail, verbal, personal) authorization from the individual whose record is to be released; in response to a subpoena; or when required pursuant to the Freedom of Information Act [5 ILCS 140 ].