2024 26 CFR 25.2501-1 – Imposition of tax

2023 26 CFR 25.2501-1 – Imposition of tax

2022 26 CFR 25.2501-1 – Imposition of tax

2021 26 CFR 25.2501-1 – Imposition of tax

2020 26 CFR 25.2501-1 – Imposition of tax

2019 26 CFR 25.2501-1 – Imposition of tax

2016 26 CFR 25.2501-1 – Imposition of tax

2015 26 CFR 25.2501-1 – Imposition of tax

2014 26 CFR 25.2501-1 – Imposition of tax

2010 26 CFR 25.2501-1 – Imposition of tax

2009 26 CFR 25.2501-1 – Imposition of tax