2024 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2023 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2022 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2021 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2015 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2014 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2010 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax

2009 26 CFR 1.1016-4 – Exhaustion, wear and tear, obsolescence, amortization, and depletion; periods during which income was not subject to tax