2024 CFR > Title 26 > Chapter I > Subchapter C > Part 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)

2023 CFR > Title 26 > CHAPTER I > SUBCHAPTER C > PART 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)

2022 CFR > Title 26 > Chapter I > Subchapter C > Part 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)

2021 CFR > Title 26 > Chapter I > Subchapter C > Part 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)

2015 CFR > Title 26 > Chapter I > Subchapter C > Part 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)

2014 CFR > Title 26 > Chapter I > Subchapter C > Part 31 > Subpart B – Federal Insurance Contributions Act (Chapter 21, Internal Revenue Code of 1954)