Indiana Code Title 36. Local Government § 36-9-29-30

Sec. 30. (a) For the purpose of obtaining money to pay the bonds and the interest on them, the flood control board shall levy a special benefit tax each year upon all of the property in the flood control district.  The tax shall be levied in the amount necessary to pay the principal of the bonds as they mature, together with the interest accruing on them.

(b) The flood control board shall cause the tax levied to be certified to the auditor of the county in which the property subject to the tax is located, before October 2 of each year.  The tax levied and certified shall be estimated and entered upon the tax duplicates by the county auditor, and shall be collected and enforced by the county treasurer in the same manner as state and county taxes are estimated, entered, collected, and enforced.

(c) As the tax is collected by the county treasurer, it shall be accumulated in a separate fund to be known as the “_____ flood control district bond fund”, and shall be applied only to the payment of the bonds and the interest on them.