Versions of 26 CFR 1.1274-5 - Assumptions on LawServer 2024 26 CFR 1.1274-5 – Assumptions 2023 26 CFR 1.1274-5 – Assumptions 2022 26 CFR 1.1274-5 – Assumptions 2021 26 CFR 1.1274-5 – Assumptions 2015 26 CFR 1.1274-5 – Assumptions 2014 26 CFR 1.1274-5 – Assumptions 2010 26 CFR 1.1274-5 – Assumptions 2009 26 CFR 1.1274-5 – Assumptions