2024 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2023 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2022 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2021 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2015 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2014 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2010 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products

2009 26 CFR 1.9005-1 – Election relating to the determination of gross income from the property for taxable years beginning prior to 1961 in the case of clay and quartzite used in making refractory products