Versions of 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 on LawServer 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