Indiana Code Title 4. State Offices and Administration § 4-13-17-4

(1) Procedures for the use of Internet purchasing sites to facilitate the purchase of supplies or sales conducted under IC 5-22 by a state agency.  The rules may permit use of an Internet purchasing site to facilitate purchases of supplies and sales conducted by any of the following if considered beneficial by the department:

(2) User fees payable by either of the following:

(3) The technical requirements for operation of an Internet purchasing site.

(4) Procedures requiring the proper officers to maintain adequate documentation of transactions performed through the Internet purchasing site so that the officers may be audited as provided by law.

(5) Procedures necessary for the operation of Internet purchasing sites.