2024 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER N > PART 412 > Subpart B – Ducks

2022 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2021 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2020 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2019 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2016 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2015 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks

2014 CFR > Title 40 > Chapter I > Subchapter N > Part 412 > Subpart B – Ducks