This is a supplement to the County's Retirement Plan (SBCERA) that allows you to defer a certain portion of your salary. Complete this form to decline your enrollment in the San Bernardino County 457(b) Deferred Compensation Plan.4) If you have only non-refundable contributions, your only option is deferred retirement with reciprocity. You may not request a refund. Statement of Investment Policies and Guidelines for the San Bernardino County 457(b) Deferred Compensation Plan, 401(k). The CalPERS 457 Plan is a voluntary deferred retirement savings plan that allows you to defer any amount, subject to annual limits, from your paycheck. Complete the required steps to apply for retirement with SBCERA. A 457(b) plan is a tax-deferred retirement savings plan. Funds are withdrawn from an employee's income without being taxed and are only taxed upon withdrawal.