The County offers a voluntary Deferred Compensation Plan in accordance with Section 457 of the Internal Revenue Code. The Contra Costa County Deferred Compensation Plan is a governmental 457(b) plan.For example, CCCERA only accepts 457 plan (deferred compensation) trustee-to-trustee transfers. Deferred comp offers key employees a way to save beyond the limits of their 401(k) or other qualified plan. Deferred Compensation: The District offers two optional deferred compensation plans. Authority employees may voluntarily defer a portion of their compensation under Authority-sponsored.