Indiana Code Title 5. State and Local Administration § 5-22-17-12

Sec. 12.  (a) A solicitation may provide that offers will be received and contracts will be awarded separately or for any combination of a line or a class of supplies or services contained in the solicitation.

(b) If the solicitation does not indicate how separate contracts might be awarded, the purchasing agent may award separate contracts to different offerors under this section only if the purchasing agent makes a written determination showing that the award of separate contracts is in the interest of efficiency or economy.

(c) If the purchasing agent awards a contract for a line or class of supplies or services, or any combination of lines or classes, to an offeror other than the lowest offeror, the purchasing agent must make a written determination stating the reasons for awarding a contract to that offeror.