Indiana Code Title 36. Local Government § 36-9-27-113

Sec. 113. (a) For the purpose of investment, the county treasurer may consolidate part or all of the money in any fund established under this chapter with the money in any other fund established under this chapter or other money held by the county treasurer.

(b) Unless the invested money is from a maintenance fund established under section 44 of this chapter, the county treasurer shall credit interest from an investment of a fund created under this chapter to that fund.

(c) The county treasurer may credit interest earned from an investment of a maintenance fund established under section 44 of this chapter into the general drainage improvement fund established under section 73 of this chapter.

(d) Within an account, the county treasurer may credit interest to particular drainage accounts in any fair and rational manner.