Versions of See prior versions of a law on LawServer 2024 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2023 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2022 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2021 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2020 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2019 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2016 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2015 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents 2014 26 CFR 54.4979-0 – Excise tax on certain excess contributions and excess aggregate contributions; table of contents
