The State of Illinois Deferred Compensation Plan is a supplemental retirement program for State employees. 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. Participating in the Deferred Compensation Plan can help supplement retirement planning, and will not reduce any other University benefits. This voluntary plan, called the SURS Deferred Compensation Plan (DCP), provides members an avenue to save more and generate additional income in retirement. An executive deferred compensation plan allows highincome employees to put off paying taxes on part of their income until retirement. Contact Central Management Services (CMS) at. 1-800-442-1300 for information on how to name your beneficiary. A 457(b) plan is a tax-deferred retirement savings plan. Funds are withdrawn from an employee's income without being taxed and are only taxed upon withdrawal.