Indiana Code Title 3. Elections § 3-6-4.1-8

Sec. 8.  (a) A member of the commission may designate another individual to serve as a proxy of record in the member's place as a member of the commission by filing a written instrument designating the proxy of record with the election division.  The proxy of record has the same authority to act and vote on all matters as does the member.  The member may revoke the authority of the proxy of record at any time.  The authority of the proxy of record may be either limited or general with regard to duration or subject matter as set forth by the member in the written instrument designating the proxy.

(b) If both the member and the member's proxy of record are unavailable, the member may designate another individual in writing to serve as an alternate proxy in the member's place as a member of the commission.  This designation must be filed with the election division before taking effect.  The alternate proxy has the same authority to act and vote on all matters as does the member.  The member may revoke the authority of the alternate proxy at any time.  The authority of the alternate proxy may be either limited or general with regard to duration or subject matter as set forth by the member in the written instrument designating the proxy.