2024 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Normal Taxes and Surtaxes

2023 CFR > Title 26 > CHAPTER I > SUBCHAPTER A > PART 1 > Normal Taxes and Surtaxes

2022 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Normal Taxes and Surtaxes – Normal Taxes and Surtaxes

2021 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Normal Taxes and Surtaxes – Normal Taxes and Surtaxes