2024 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users

2023 CFR > Title 27 > CHAPTER I > SUBCHAPTER A > PART 20 > Subpart I > Operations by Users

2022 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users – Operations by Users

2021 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users – Operations by Users

2020 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users

2019 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users

2016 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users

2015 CFR > Title 27 > Chapter I > Subchapter A > Part 20 > Subpart I > Operations by Users