2024 Texas Natural Resources Code 101.015 – Commission Regulation

2023 Texas Natural Resources Code 101.015 – Commission Regulation

2022 Texas Natural Resources Code 101.015 – Commission Regulation

2019 Texas Natural Resources Code 101.015 – Commission Regulation

2018 Texas Natural Resources Code 101.015 – Commission Regulation

2016 Texas Natural Resources Code 101.015 – Commission Regulation

2014 Texas Natural Resources Code 101.015 – Commission Regulation

2011 Texas Natural Resources Code 101.015 – Commission Regulation

2009 Texas Natural Resources Code 101.015 – Commission Regulation

2008 Texas Natural Resources Code 101.015 – Commission Regulation