Versions of 26 USC 4671 - Imposition of tax on LawServer 2024 26 USC 4671 – Imposition of tax 2023 26 USC 4671 – Imposition of tax 2022 26 USC 4671 – Imposition of tax 2021 26 USC 4671 – Imposition of tax 2020 26 USC 4671 – Imposition of tax 2018 26 USC 4671 – Imposition of tax 2017 26 USC 4671 – Imposition of tax 2015 26 USC 4671 – Imposition of tax 2014 26 USC 4671 – Imposition of tax