Indiana Code Title 36. Local Government § 36-9-27-76

Sec. 76. The board may cooperate in joint effort with any state or federal agency in a proceeding to construct, reconstruct, or maintain a drain under this chapter.  If the board is cooperating with a federal agency, and the rules or procedures of the agency are in conflict with this chapter in respect to issuing bids, awarding contracts, and administering contracts, the board may adopt the federal rules or procedures in those areas where conflict exists, and may proceed in accordance with the requirements of the federal rules or procedures.