Ind. Code § 13-17-8-7
(a) Except as provided in section 8 of this chapter, this section applies to an increase or a decrease in the fees described in this chapter:
(b) The increase or decrease shall be made equally and proportionately to all:
(5) emission based fees;
established as described in this chapter or as revised by the board.
[Pre-1996 Recodification Citation: 13-1-1-26(g).]
As added by P.L.1-1996, SEC.7.