2024 26 USC 4081 – Imposition of tax

2023 26 USC 4081 – Imposition of tax

2022 26 USC 4081 – Imposition of tax

2021 26 USC 4081 – Imposition of tax

2020 26 USC 4081 – Imposition of tax

2018 26 USC 4081 – Imposition of tax

2017 26 USC 4081 – Imposition of tax

2015 26 USC 4081 – Imposition of tax

2014 26 USC 4081 – Imposition of tax

2013 26 USC 4081 – Imposition of tax

2012 26 USC 4081 – Imposition of tax

2010 26 USC 4081 – Imposition of tax