Versions of See prior versions of a law on LawServer 2024 Tennessee Code 67-6-323 – Tangible personal property, computer software, or services that are necessary to and primarily used for qualified production 2023 Tennessee Code 67-6-323 – Tangible personal property, computer software, or services that are necessary to and primarily used for qualified production 2021 Tennessee Code 67-6-323 – [reserved.] 2020 Tennessee Code 67-6-323 – [reserved.]