Indiana Code Title 5. State and Local Administration § 5-22-9-9

Sec. 9. (a) Offerors must be accorded fair and equal treatment with respect to any opportunity for discussion and revisions of proposals.

(b) In conducting discussions with an offeror, information derived from proposals submitted by competing offerors may be used in discussion only if the identity of the offeror providing the information is not disclosed to others. The purchasing agency must provide equivalent information to all offerors with which the purchasing agency chooses to have discussions.