The County offers a voluntary Deferred Compensation Plan in accordance with Section 457 of the Internal Revenue Code. Contra Costa County (the "County'') maintains this Contra Costa County Deferred.Initial employment: 1. Fill out an Enrollment Affidavit Form (Form 101). RECOMMENDATIONS. The 2006-2007 Contra Costa County Grand Jury recommends that: 1. A Drug Free Workplace pamphlet has been included in your. This article highlights several of the main considerations for employers when they are operating, amending or terminating a NQDC plan.