A written notice under this section must be made on a form designated by the department of local government finance. A taxpayer must file a separate petition for each parcel.
A taxpayer may appeal an error in the assessment under subsection (a)(2), (a)(3), (a)(4), (a)(5), or (a)(6) not later than three (3) years after the taxes were first due.
However, a claim may be raised under this section regarding the omission or application of a deduction approved by an authority other than the county board, county auditor, county assessor, or township assessor.
IC 6-1.1-15-1.1