Essentially, you put aside an amount from each pay and invest it until withdrawal. Only at that time will your savings be taxed. Eligibility.Eligible employees shall defer a percentage of their biweekly salary as established in their employment contract or. Below are the options available to you when you terminate your employment from any SBCERA participating employer. If you do not return this form to SBCERA, your. Statement of Investment Policies and Guidelines for the San Bernardino County 457(b) Deferred Compensation Plan, 401(k). You generally have to start taking withdrawals from your IRA, SIMPLE IRA, SEP IRA, or retirement plan account when you reach age 73. The Voluntary 457 Deferred Compensation plan provides a convenient way for City employees to save money for retirement with pre-tax earnings. Manner of distribution, Rule 20907. Compensation, Rules 20-904 and 20-909.