Section 70A.30 - Establishment of phased retirement program1. The department of administrative services may establish a voluntary employee phased retirement incentive program for full-time state employees.2. A phased retirement incentive program established by the department of administrative services is a retirement system for purposes of section 20.9, but is not retirement for purposes of chapter 97A, 97B, or 602 or for the employees who are members of the teachers insurance annuity association-college retirement equities fund (TIAA-CREF).