July 05, 2024 15:51 Updated Follow Your retirement date with PERF or TRF is the official date that we calculate your benefits and is always the first day of the month following your last day of work. It does not refer to your last day of work or the day you mail your application. Related articles When do I get my retirement benefit? When can I retire from PERF or TRF? Is there a deadline for my retirement application? At what age should I retire? How do I retire from the Teachers' Retirement Fund?