Ind. Code § 20-44-3-6

Sec. 6. Except as provided in section 7 of this chapter, a school corporation may not spend money in its fund until the expenditure of the money has been included in a budget that has been approved by the department of local government finance under IC 6-1.1-17. For purposes of fixing its budget and for purposes of the property tax levy limits fixed by law, a school corporation shall treat the money in its fund that the department of local government finance permits the school corporation to spend during a particular calendar year as part of the school corporation's property tax levy for that same calendar year.