2024 26 USC 198 – Expensing of environmental remediation costs

2023 26 USC 198 – Expensing of environmental remediation costs

2022 26 USC 198 – Expensing of environmental remediation costs

2021 26 USC 198 – Expensing of environmental remediation costs

2020 26 USC 198 – Expensing of environmental remediation costs

2018 26 USC 198 – Expensing of environmental remediation costs

2017 26 USC 198 – Expensing of environmental remediation costs

2015 26 USC 198 – Expensing of environmental remediation costs

2014 26 USC 198 – Expensing of environmental remediation costs

2013 26 USC 198 – Expensing of environmental remediation costs

2012 26 USC 198 – Expensing of environmental remediation costs

2010 26 USC 198 – Expensing of environmental remediation costs