A supplemental retirement plan that allows employees to contribute a portion of their pretax salary, within certain Internal Revenue Service (IRS) limits. I designate the following beneficiary or beneficiaries in accordance with the 457(b) Deferred Compensation Plan.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. Statement of Investment Policies and Guidelines for the San Bernardino County 457(b) Deferred Compensation Plan, 401(k). â–¡ Consider signing up for a deferred compensation plan to earn additional money for retirement. Unit Employee's biweekly base salary. Eligible to participate in 457(b) Deferred Compensation Plan with County contribution up to . (1) PST Deferred Compensation Plan.