Ind. Code § 6-1.1-12-31
(c) The deduction provided by this section applies only if the property owner:
(2) is buying the property under contract;
on the assessment date for which the deduction applies.
As added by Acts 1980, P.L.41, SEC.1. Amended by Acts 1981, P.L.70, SEC.1; P.L.24-1984, SEC.4; P.L.144-2008, SEC.31.