Versions of 26 CFR 1.6033-1 - Returns by exempt organizations; taxable years beginning before January 1, 1970 on LawServer 2024 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2023 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2022 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2021 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2015 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2014 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2010 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970 2009 26 CFR 1.6033-1 – Returns by exempt organizations; taxable years beginning before January 1, 1970.