December 10, 2018 17:04 Updated Follow PERF, TRF and 1977 Fund employer participation forms can be accessed by visiting www.in.gov/inprs/employerforms.htm. Related articles Will I still get my retirement benefits on time? Which PERF plan option should I choose? What is the difference between TRF Hybrid and TRF My Choice Retirement Savings Plan? I am a public school. How do I join the Teachers’ Retirement Fund (TRF)? I am an employer. When will the Board approve my resolution?