Ind. Code § 6-1.1-12-4

Sec. 4. (a) An individual who satisfies the requirements of section 3 of this chapter may file a claim for a deduction, or deductions, provided by section 1 of this chapter during the year following the year in which the individual is discharged from military service. The individual shall file the claim, on the forms prescribed for claiming a deduction under section 2 of this chapter, with the auditor of the county in which the real property is located. The claim shall specify the particular year, or years, for which the deduction is claimed. The individual shall attach to the claim an affidavit which states the facts concerning the individual's absence as a member of the United States armed forces.

(b) The county property tax assessment board of appeals shall examine the individual's claim and shall determine the amount of deduction, or deductions, the individual is entitled to and the year, or years, for which deductions are due. Based on the board's determination, the county auditor shall calculate the excess taxes paid by the individual and shall refund the excess to the individual from funds not otherwise appropriated. The county auditor shall issue, and the county treasurer shall pay, a warrant for the amount, if any, to which the individual is entitled.