Ark. Code Ann. § 26-52-428: Railroad parts, cars, and equipment

There is specifically exempted from any tax imposed by this chapter, as amended, including, but not limited to, §§ 26-52-301 and 26-52-302 , the gross receipts or gross proceeds derived from the sale of parts and other tangible personal property incorporated into or which ultimately become a part of railroad parts, railroad cars, and equipment brought into the State of Arkansas solely and exclusively for the purpose of being repaired, refurbished, modified, or converted within this state.