Versions of Tennessee Code 4-3-2018 - Authority of department regarding statewide P25 interoperable communications system on LawServer 2024 Tennessee Code 4-3-2018 – Authority of department regarding statewide P25 interoperable communications system 2023 Tennessee Code 4-3-2018 – Authority of department regarding statewide P25 interoperable communications system 2021 Tennessee Code 4-3-2018 – Authority of Department Regarding Statewide P25 Interoperable Communications System 2020 Tennessee Code 4-3-2018 – Authority of Department Regarding Statewide P25 Interoperable Communications System 2019 Tennessee Code 4-3-2018 – Authority of department regarding statewide P25 interoperable communications system