Ind. Code § 8-23-15-2

Sec. 2. In undertaking the inventory under this chapter, the department shall give written notice to the county road supervisor and the county executive thirty (30) days before the inventory actually begins that an inventory is underway. The department shall confer with the local officials to confirm the accuracy of the inventory. If the county executive believes an error has been made, the executive may appeal to the commissioner for a review of the inventory results.