2024 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2023 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2022 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2019 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2018 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2016 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2014 Texas Utilities Code 121.201 – Safety Rules; Railroad Commission Power Under Delegated Federal Authority

2011 Texas Utilities Code 121.201 – Safety Rules: Railroad Commission Power

2009 Texas Utilities Code 121.201 – Safety Rules: Railroad Commission Power

2008 Texas Utilities Code 121.201 – Safety Rules: Railroad Commission Power