Ind. Code § 6-2.5-5-2
(b) Transactions involving agricultural machinery or equipment are exempt from the state gross retail tax if:
(c) Transactions involving agricultural machinery or equipment, including material handling equipment purchased for the purpose of transporting materials into activities described in this subsection from an onsite location, are exempt from the state gross retail tax if the person acquiring the property:
(1) acquires it for the person's direct use in:
(B) the direct extraction, harvesting, or processing of agricultural commodities;
for consideration; and
(2) is occupationally engaged in providing the services described in subdivision (1) on property that is:
(B) used for agricultural production.
As added by Acts 1980, P.L.52, SEC.1. Amended by Acts 1981, P.L.80, SEC.1; P.L.257-2003, SEC.22; P.L.250-2015, SEC.9; P.L.239-2017, SEC.4.