February 12, 2019 23:29 Updated Follow The PERF Hybrid plan offers a guaranteed defined lifetime monthly benefit. Related articles Where do I find the PERF handbook? How do I choose a retirement date? How many years of creditable service must I have in order for my spouse or child to receive a survivor benefit from PERF? What is the Rollover Savings Account Full Deferment retirement option? What is my TRF pension benefit?