June 13, 2018 23:29 Updated Follow Members of many of our funds can buy prior military service credit. Please call us at (844) GO-INPRS for details. Related articles What is military service credit? How do I buy service credit? (1977 Fund) What is Hero’s Honor? When do I get a COLA if I'm in PERF? I am a member of TRF. My PERF service is not showing on my quarterly statement. What happened to this service?