2024 Texas Utilities Code 54.201 – Certification Prohibited

2023 Texas Utilities Code 54.201 – Certification Prohibited

2022 Texas Utilities Code 54.201 – Certification Prohibited

2019 Texas Utilities Code 54.201 – Certification Prohibited

2018 Texas Utilities Code 54.201 – Certification Prohibited

2016 Texas Utilities Code 54.201 – Certification Prohibited

2014 Texas Utilities Code 54.201 – Certification Prohibited

2011 Texas Utilities Code 54.201 – Certification Prohibited

2009 Texas Utilities Code 54.201 – Certification Prohibited

2008 Texas Utilities Code 54.201 – Certification Prohibited