To retire you must meet two requirements: age and service credit . Your minimum retirement age depends on your retirement formula: 50, 52, or 55 .The purpose of Section 1 is to provide an overview of SCERS and SCERS' benefits. This section also explains how a Defined Benefit Pension Plan like SCERS works. Your retirement date cannot be effective until the day after your last day of paid employment. Under Public Employees' Retirement Law shall be eligible to return to the classification last held. If the City makes an offer and the employee accepts the. The following chart outlines the requirements for an immediate annuity under the Federal Employees. Retirement System (FERS). TIP: Submit a separate form for each benefit you receive from CalSTRS.