2024 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes

2023 CFR > Title 27 > CHAPTER I > SUBCHAPTER A > PART 27 > Subpart D > Collection of Internal Revenue Taxes

2022 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes – Collection of Internal Revenue Taxes

2021 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes – Collection of Internal Revenue Taxes

2020 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes

2019 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes

2016 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes

2015 CFR > Title 27 > Chapter I > Subchapter A > Part 27 > Subpart D > Collection of Internal Revenue Taxes