The County offers a voluntary Deferred Compensation Plan in accordance with Section 457 of the Internal Revenue Code. The Contra Costa County Employees' Retirement Association ("CCCERA") invites organizations to submit proposals on providing IRC 457(b) Deferred.Contra Costa County (the "County'') maintains this Contra Costa County Deferred. Using the Benefits Summary Page. To review your benefits summary information,. 1. Use the Enroll Now button on MyFloridaDeferredComp. Com to fill out and submit the online EZ Enrollment Form. Central San offers an optional Deferred. Take the first step toward a more rewarding future. Meet your plan representatives.