2024 26 USC 39 – Carryback and carryforward of unused credits

2023 26 USC 39 – Carryback and carryforward of unused credits

2022 26 USC 39 – Carryback and carryforward of unused credits

2021 26 USC 39 – Carryback and carryforward of unused credits

2020 26 USC 39 – Carryback and carryforward of unused credits

2018 26 USC 39 – Carryback and carryforward of unused credits

2017 26 USC 39 – Carryback and carryforward of unused credits

2015 26 USC 39 – Carryback and carryforward of unused credits

2014 26 USC 39 – Carryback and carryforward of unused credits

2013 26 USC 39 – Carryback and carryforward of unused credits

2012 26 USC 39 – Carryback and carryforward of unused credits

2010 26 USC 39 – Carryback and carryforward of unused credits