2024 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Taxable Years Beginning Prior to January 1, 1986

2023 CFR > Title 26 > CHAPTER I > SUBCHAPTER A > PART 1 > Taxable Years Beginning Prior to January 1, 1986

2022 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Taxable Years Beginning Prior to January 1, 1986 – Taxable Years Beginning Prior to January 1, 1986

2021 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Taxable Years Beginning Prior to January 1, 1986 – Taxable Years Beginning Prior to January 1, 1986