Indiana Code Title 36. Local Government § 36-7-9-12

Sec. 12. (a) When action required by an order is performed by the enforcement authority or by a contractor acting under section 9 or 11 of this chapter, each person who held a fee interest, life estate interest, or equitable interest of a contract purchaser in the unsafe premises from the time when the order requiring the work performed was issued to the time that the work was completed, or, if emergency action was taken under section 9 of this chapter, during the time of such emergency action, is jointly and severally responsible for the following costs:

(b) The board or commission having control over the department shall determine the amount of the average processing expense at the public hearing, after notice has been given in the same manner as is required for other official action of the board or commission.  In determining the average processing expense, the board or commission may fix the amount at a full dollar amount that is an even multiple of ten (10).