2024 CFR > Title 26 > Chapter I > Subchapter B > Part 25 > Deductions

2023 CFR > Title 26 > CHAPTER I > SUBCHAPTER B > PART 25 > Deductions

2022 CFR > Title 26 > Chapter I > Subchapter B > Part 25 > Deductions – Deductions

2021 CFR > Title 26 > Chapter I > Subchapter B > Part 25 > Deductions – Deductions