Versions of CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Definitions; Special Rules on LawServer 2024 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Definitions; Special Rules 2023 CFR > Title 26 > CHAPTER I > SUBCHAPTER A > PART 1 > Definitions; Special Rules 2022 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Definitions; Special Rules – Definitions; Special Rules 2021 CFR > Title 26 > Chapter I > Subchapter A > Part 1 > Definitions; Special Rules – Definitions; Special Rules