Versions of Tennessee Code 49-4-902 - Part definitions on LawServer 2023 Tennessee Code 49-4-902 – Part definitions 2021 Tennessee Code 49-4-902 – Part Definitions. [Effective Until July 1, 2021. See the Version Effective on July 1, 2021.] 2020 Tennessee Code 49-4-902 – Part Definitions. [Effective Until July 1, 2021. See the Version Effective on July 1, 2021.] 2019 Tennessee Code 49-4-902 – Part definitions 2010 Tennessee Code 49-4-902. Part definitions