In general, you can retire as early as age 50 with five years of service credit unless all service was earned on or after January 1, 2013. 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. This application is for Defined Benefit members who are retiring from service. (4) An employee who does not retire from the Sacramento City Employee. Retirement System (SCERS) or the California Public Employees. This form is used to determine your Federal and California (CA) State income tax withholding amount. Without this form on file, tax will be withheld as if you. If your premiums are greater than your pension payment, you will be required to make monthly payments through the Department of Finance - Revenue Recovery. Service retirement is a lifetime benefit.