Ind. Code § 5-10-5.5-14
(c) Payment of disability benefits shall begin with the month next succeeding the month in which the participant is determined to be disabled and shall cease:
(2) with the last payment before the time the participant is no longer disabled;
whichever occurs first. However, after becoming forty-five (45) years of age, a participant receiving a disability benefit may request that the disability benefit payments cease and that any retirement benefit for which the participant is eligible begin.
(d) If a member receives disability or retirement benefits from another state funded pension fund, he is not entitled to receive disability benefits under this section.
Formerly: Acts 1972, P.L.1, SEC.1. As amended by Acts 1977, P.L.2, SEC.4; Acts 1981, P.L.48, SEC.2; P.L.56-1987, SEC.5; P.L.55-1989, SEC.5; P.L.41-1991, SEC.1.