Ind. Code § 5-10.2-4-10
(f) The additional retirement benefit consists of the sum of a supplemental pension and a supplemental annuity. The supplemental pension is computed under section 4 of this chapter using the member's:
(2) average compensation during the member's reemployment, if the member is reemployed for less than five (5) years, or average of the annual compensation (as defined in section 3 of this chapter) during the member's reemployment.
If the member is entitled to a supplemental annuity, it consists of an annuity provided by contributions and interest credited to the member during reemployment, if any.
(h) IC 5-10.2-2-7 applies to additional retirement benefits.
As added by Acts 1977, P.L.53, SEC.2. Amended by P.L.49-1985, SEC.2; P.L.40-1986, SEC.2; P.L.55-1989, SEC.20; P.L.22-1993, SEC.3; P.L.25-1994, SEC.5; P.L.246-2001, SEC.8; P.L.72-2007, SEC.7; P.L.76-2008, SEC.4; P.L.195-2013, SEC.8.