Indiana Code Title 4. State Offices and Administration § 4-6-5-2

Sec. 2. No more deputies shall be appointed and assigned to any agency than may be required by the work of such assignment, nor shall any deputy be appointed who is not a competent attorney.  Each deputy shall take and subscribe an oath of office to be administered in the usual form by an officer authorized to administer oaths, which oath shall be kept on file with the attorney-general.  It shall be the duty of the attorney-general and such deputy to co-operate and advise with such agency concerning the duties and legal work to be performed, but such deputy shall be under the direction and control of the attorney-general.