July 14, 2020 20:29 Updated Follow "PERF" stands for the Public Employees' Retirement Fund in Indiana. Click here for the PERF at a Glance fact sheet. Related articles When can I retire from PERF or TRF? How do I know you work for INPRS (PERF, TRF)? When will I be vested in PERF? What is a Public Employees’ Retirement Fund (PERF) annual member statement (AMS)? I’m an employer, and I need to understand how to treat a laid-off employee versus a furloughed employee within the EPPA system. How do I treat these situations?