Versions of 26 CFR Part 53 - Foundation and Similar Excise Taxes on LawServer 2024 26 CFR Part 53 – Foundation and Similar Excise Taxes 2023 26 CFR PART 53 – FOUNDATION AND SIMILAR EXCISE TAXES 2022 26 CFR Part 53 – Foundation and Similar Excise Taxes 2021 26 CFR Part 53 – Foundation and Similar Excise Taxes 2020 26 CFR Part 53 – Foundation and Similar Excise Taxes