Indiana Code Title 36. Local Government § 36-9-23-20

Sec. 20. (a) The first proceeds of any revenue bonds issued under this chapter shall be used to repay all amounts advanced for preliminary expenses under section 13 of this chapter.  The remaining proceeds of the bond issue shall be applied to the cost of acquiring, constructing, or improving the sewage works.

(b) After the payments required by subsection (a) have been made, any proceeds of the bond issue that have not been spent shall be deposited in the sinking fund established by section 21 of this chapter.

(c) The holders of the revenue bonds, or the trustees under section 22 of this chapter, have a lien on the bond proceeds until they are applied under this section.