Ind. Code § 4-10-11-2.1
(b) Notwithstanding any other laws to the contrary, any salary per diem that is paid from state funds and that is authorized by statute in an amount that is less than thirty-five dollars ($35.00) per day is hereby set at thirty-five dollars ($35.00) per day or at any other amount as may be established by the general assembly after July 1, 1977.
As added by Acts 1977, P.L.27, SEC.1. Amended by P.L.3-2008, SEC.4.