Indiana Code Title 3. Elections § 3-6-5-4.5

Sec. 4.5. (a) A member may appoint an individual to serve as a proxy of record in the member's place as a member of the county election board by filing a written instrument appointing the proxy of record with the circuit court clerk.  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 appointing the proxy.

(b) If both the member and the member's proxy of record are unavailable, the member may appoint another individual in writing to serve as an alternate proxy in the member's place as a member of the county election board.  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 appointing the proxy.