2023 Texas Utilities Code 35.031 – Authority to Operate

2022 Texas Utilities Code 35.031 – Authority to Operate

2019 Texas Utilities Code 35.031 – Authority to Operate

2018 Texas Utilities Code 35.031 – Authority to Operate

2016 Texas Utilities Code 35.031 – Authority to Operate

2014 Texas Utilities Code 35.031 – Authority to Operate

2011 Texas Utilities Code 35.031 – Authority to Operate

2009 Texas Utilities Code 35.031 – Authority To Operate

2008 Texas Utilities Code 35.031 – Authority To Operate