Versions of Tennessee Code 49-6-407 - Uniform grading system on LawServer 2024 Tennessee Code 49-6-407 – Uniform grading system 2023 Tennessee Code 49-6-407 – Uniform grading system 2021 Tennessee Code 49-6-407 – Uniform Grading System 2020 Tennessee Code 49-6-407 – Uniform Grading System 2019 Tennessee Code 49-6-407 – Uniform grading system 2010 Tennessee Code 49-6-407. Uniform grading system