Versions of Tennessee Code 67-6-601 - Certificate of registration - Required - Application on LawServer 2024 Tennessee Code 67-6-601 – Certificate of registration – Required – Application 2023 Tennessee Code 67-6-601 – Certificate of registration – Required – Application 2021 Tennessee Code 67-6-601 – Certificate of Registration — Required — Application. [Effective Until July 1, 2021. See the Version Effective on July 1, 2021.] 2020 Tennessee Code 67-6-601 – Certificate of Registration — Required — Application. [Effective Until July 1, 2021. See the Version Effective on July 1, 2021.] 2019 Tennessee Code 67-6-601 – Certificate of registration — Required — Application. [Effective until July 1, 2021. See the version effective on July 1, 2021.] 2010 Tennessee Code 67-6-601. Certificate of registration — Required — Application