2024 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2023 CFR > Title 43 > Subtitle B > CHAPTER II > SUBCHAPTER C > PART 3832 > Subpart D – Tunnel Sites

2022 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2020 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2019 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2016 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2015 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites

2014 CFR > Title 43 > Subtitle B > Chapter II > Subchapter C > Part 3832 > Subpart D – Tunnel Sites