Download any State of Illinois Deferred Compensation Plan form now using Acrobat Reader. These forms allow data to be typed into the form and saved.Learn more about your retirement plan and what it offers. The State of Illinois Deferred Compensation Plan is a supplemental retirement program for State employees. Beneficiary Information. If you would like to confirm or update your beneficiary information, please visit our website at ChicagoDeferredComp. Deferred compensation plans are designed for state and municipal workers, as well as employees of some tax-exempt organizations. Permanent life insurance provides a death benefit to your beneficiaries. Proof of good health is required. 1.12. "Deferred Compensation" means as to a Participant the amount of Deferral Contributions, Rollover.