The Contra Costa County Deferred Compensation Plan is a governmental 457(b) plan. The Deferred Compensation Plan is a supplemental retirement plan option in addition to your County retirement plan.Deferred compensation plans tend to offer better investment options than most 401(k) plans, but are at a disadvantage regarding liquidity. We are pleased to offer the 403(b) Tax Sheltered Annuity Plan and the 457(b) Deferred Compensation Plan to eligible employees. Be sure to find out what types of distributions your designated plan accepts, and what restrictions on subsequent distributions may apply before you make. Log into a 401(k), 403(b), 457, or other workplace plan. Log into retirement plan. The New York City Deferred Compensation Plan has been with you throughout your working life and can continue with you throughout retirement.