Indiana Code Title 5. State and Local Administration § 5-16-3-2

Sec. 2. The department of homeland security shall provide a safe depository for all blueprints and specifications filed as provided in section 1 of this chapter and retain them for inspection and loan under the conditions and restrictions as the fire prevention and building safety commission shall determine by rule.  The fire prevention and building safety commission may designate the librarian of the state of Indiana as the custodian of any blueprints and specifications filed with it, at any time, and it shall be the duty of the state librarian to safely preserve the same in the state archives as public documents.