Versions of Tennessee Code 49-3-312 - Substitute teachers on LawServer 2024 Tennessee Code 49-3-312 – Substitute teachers 2023 Tennessee Code 49-3-312 – Substitute teachers 2021 Tennessee Code 49-3-312 – Substitute Teachers 2020 Tennessee Code 49-3-312 – Substitute Teachers 2019 Tennessee Code 49-3-312 – Substitute teachers 2010 Tennessee Code 49-3-312. Substitute teachers