May 01, 2018 22:06 Updated Follow The actuarial survey form must be submitted to INPRS four months before the desired effective date to join. Related articles I am an employer. If my organization wants to pay for prior service, what is the payment process? I am an employer. When is my actuarial survey due? I am an employer. Where can I find the Public Employees’ Retirement Fund (PERF) Hybrid and MyChoice Resolution?