Indiana Code Title 14. Natural and Cultural Resources § 14-33-14-6

Sec. 6.  (a) If an amount equivalent to two (2) times the annual cost of maintenance of the works of improvement, as stated in the district plan or as the cost is adjusted under section 8 of this chapter, has accumulated in the fund, appropriations to the fund shall be suspended until the year that the amount in the fund is not more than equal to the annual cost of maintenance of the works of improvement as stated in the plan or the adjusted annual cost.

(b) The money in the fund may be invested and reinvested in whole or in part in accordance with IC 5-13-9.