Indiana Code Title 5. State and Local Administration § 5-1-14-18

Sec. 18. In connection with the issuance by the issuer of any obligation described in IC 5-1-1-1(b), the execution of the obligation (including any contract, certificate, or other document executed on behalf of the issuer in connection with the execution of the obligation) using electronic signatures rather than manual signatures shall be considered fully legal and valid for all purposes with the same force and effect as if the execution were performed with manual signatures.