Indiana Code Title 36. Local Government § 36-10-8-8

Sec. 8. The board shall prepare a budget for each calendar year covering the projected operating expenses, estimated income, and reasonable reserves.  It shall submit the budget for review, approval, or rejection to the fiscal body of the county and, if the board was created under IC 18-7-18 (before its repeal on February 24, 1982), also the fiscal body of the second class city.  The board may make expenditures only as provided in the budget as approved, unless additional expenditures are approved by the respective fiscal bodies.