Versions of 26 CFR 1.7520-4 - Transitional rules on LawServer 2024 26 CFR 1.7520-4 – Transitional rules 2023 26 CFR 1.7520-4 – Transitional rules 2022 26 CFR 1.7520-4 – Transitional rules 2021 26 CFR 1.7520-4 – Transitional rules 2015 26 CFR 1.7520-4 – Transitional rules 2014 26 CFR 1.7520-4 – Transitional rules 2010 26 CFR 1.7520-4 – Transitional rules 2009 26 CFR 1.7520-4 – Transitional rules