Versions of Tennessee Code 56-7-2904 - Powers and authority on LawServer 2024 Tennessee Code 56-7-2904 – Powers and authority 2023 Tennessee Code 56-7-2904 – Powers and authority 2021 Tennessee Code 56-7-2904 – Powers and Authority. [Effective Until June 30, 2025. See the Compiler’s notes.] 2020 Tennessee Code 56-7-2904 – Powers and Authority. [Effective Until June 30, 2025. See the Compiler’s notes.] 2019 Tennessee Code 56-7-2904 – Powers and authority. [Effective until June 30, 2020. See the Compiler’s Notes.] 2010 Tennessee Code 56-7-2904. Powers and authority