Indiana Code Title 6. Taxation § 6-1.1-12-30

Sec. 30. (a) Except as provided in sections 36 and 44 of this chapter and subject to section 45 of this chapter, a person who desires to claim the deduction provided by section 29 of this chapter must file a certified statement in duplicate, on forms prescribed by the department of local government finance, with the auditor of the county in which the real property or mobile home is subject to assessment.  To obtain the deduction for a desired calendar year in which property taxes are first due and payable, the person must complete, date, and file the statement with the county auditor on or before January 15 of the calendar year in which the property taxes are first due and payable.  The person must:

on the date the statement is filed under this section.  On verification of the statement by the assessor of the township in which the real property or mobile home is subject to assessment, or the county assessor if there is no township assessor for the township, the county auditor shall allow the deduction.

(b) This section applies only to property taxes imposed for an assessment date before January 1, 2025.

(c) This section expires January 1, 2027.