2024 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2023 26 CFR 1.43-1 – The enhanced oil recovery credit – general rules

2022 26 CFR 1.43-1 – The enhanced oil recovery credit – general rules

2021 26 CFR 1.43-1 – The enhanced oil recovery credit – general rules

2020 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2019 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2016 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2015 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2014 26 CFR 1.43-1 – The enhanced oil recovery credit-general rules

2010 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules

2009 26 CFR 1.43-1 – The enhanced oil recovery credit–general rules.