Indiana Code Title 3. Elections § 3-10-4-11

Sec. 11. (a) After the vote of Indiana's presidential electors is completed, if the final list of presidential electors differs from any list that the governor previously included on a certificate of ascertainment prepared and transmitted under 3 U.S.C. 6, the secretary of state immediately shall prepare an amended certificate of ascertainment and transmit it to the governor for the governor's signature.

(b) The governor immediately shall deliver the signed amended certificate of ascertainment to the secretary of state and a signed duplicate original of the amended certificate of ascertainment to all individuals entitled to receive Indiana's certificate of ascertainment, indicating that the amended certificate of ascertainment is to be substituted for the previously submitted certificate of ascertainment.

(c) The secretary of state shall prepare a certificate of vote.  The presidential electors listed on the final certificate of ascertainment shall sign the certificate of vote.  The secretary of state shall process and transmit the signed certificate of vote with the amended certificate of ascertainment under 3 U.S.C. 9, 3 U.S.C. 10, and 3 U.S.C. 11.