2024 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2023 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2022 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2021 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2015 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2014 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2010 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures

2009 26 CFR 1.615-3 – Election to defer pre-1970 exploration expenditures