Ind. Code § 5-10.2-5-20
(a) Notwithstanding the repeal of IC 5-10.2-2-5 , a member who:
(2) began making contributions by payroll deduction under IC 5-10.2-2-5 before January 1, 1989;
may continue to make contributions after June 30, 1989, as if IC 5-10.2-2-5 had not been repealed. Such an institution may continue to make additional contributions for members on whose behalf additional contributions were being made before January 1, 1989.
(e) A member who:
(3) is transferred from a position covered by the Indiana state teachers' retirement fund or the Indiana public employees' retirement fund to a position not covered by either of the funds;
shall continue to receive credit, for the determination of eligibility for benefits only, for up to five (5) additional years of service with the institution, subject to all the provisions of the retirement fund law. The additional service credit and the salary in the non-covered position shall not be included in the computation of benefits from the retirement fund.
As added by P.L.55-1989, SEC.21. Amended by P.L.2-2007, SEC.94; P.L.86-2018, SEC.16.