A voluntary retirement savings plan that provides quality investment options, investment educational programs and related services. County of San Diego.Deferred Compensation Plan. Benefit Distribution Request (PDF) (PDF) – Start the process needed to request a distribution from the Plan. Future benefits from the 457(b) Plan will reflect the amount of a participant's voluntary salary deferral contributions plus earnings. Vesting is immediate. Are Deferred Compensation or Tax Sheltered Annuity deductions reported on the Form W-2? The City of San Diego offers employees tax-deferred retirement savings plans to help employees achieve a financially secure retirement.