The City of Chicago offers a Section 457 deferred compensation plan. Sign up and manage your deferred compensation retirement account.Deferred compensation plans tend to offer better investment options than most 401(k) plans, but are at a disadvantage regarding liquidity. The State of Illinois Deferred Compensation Plan is a supplemental retirement program for State employees. 1.12. "Deferred Compensation" means as to a Participant the amount of Deferral Contributions, Rollover. 457(b) plans and 401(k) plans are very similar. Both offer you the opportunity to make tax-deferred contributions to a retirement account. The City of Chicago Deferred Compensation plan provides multiple distribution options to provide flexibility when determining how and when you receive funds. One major difference is that currently 457 plans are designed for public sector employees, and 401(k) plans are designed for private sector employees. The Deferred Compensation 457 Plan is another voluntary option for making tax-deferred or Roth contributions for state employees, if eligible for this Plan.