January 30, 2018 21:46 Follow Employers have the option to pay for their prior service amount as a debit amount in ERM or by forwarding a check to INPRS. Related articles Is the state allowed to purchase service credit for state employees whose PERF-covered jobs are privatized? What does the section “total purchased service credits” mean? I am an employer. How do I join the Public Employees’ Retirement Fund (PERF)?