Indiana Code Title 8. Utilities and Transportation § 8-23-10-4

Sec. 4. It is unlawful for a successful bidder to enter into a subcontract with any other person involving the performance of any part of any work upon which the bidder may be engaged for the department in an amount in excess of three hundred thousand dollars ($300,000) unless the subcontractor has been properly qualified under the terms of this chapter for the work sublet to the subcontractor. However, the department may reduce this amount based on the subcontractor's performance with the department and others. The prequalification requirements of this section do not apply to the following: