2024 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER D > PART 147 > Subpart SS – Texas

2022 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2021 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2020 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2019 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2016 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2015 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas

2014 CFR > Title 40 > Chapter I > Subchapter D > Part 147 > Subpart SS – Texas