2024 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement

2023 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement

2022 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement

2019 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement

2018 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement

2016 Texas Transportation Code Chapter 21 > Subchapter D – Investigation and Enforcement