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.The General Manager has the sole authority to enact and amend the Deferred. Compensation Plan Administrative Procedures (AP), which provides direction and. Under a deferred compensation plan and allowing Directors to defer additional compensation under this plan. West County. Wastewater. District. Agree.