Versions of 26 CFR 1.1016-10 - Substituted basis on LawServer 2024 26 CFR 1.1016-10 – Substituted basis 2023 26 CFR 1.1016-10 – Substituted basis 2022 26 CFR 1.1016-10 – Substituted basis 2021 26 CFR 1.1016-10 – Substituted basis 2015 26 CFR 1.1016-10 – Substituted basis 2014 26 CFR 1.1016-10 – Substituted basis 2010 26 CFR 1.1016-10 – Substituted basis 2009 26 CFR 1.1016-10 – Substituted basis