Versions of 26 CFR 1.671-4 - Method of reporting on LawServer 2024 26 CFR 1.671-4 – Method of reporting 2023 26 CFR 1.671-4 – Method of reporting 2022 26 CFR 1.671-4 – Method of reporting 2021 26 CFR 1.671-4 – Method of reporting 2015 26 CFR 1.671-4 – Method of reporting 2014 26 CFR 1.671-4 – Method of reporting 2010 26 CFR 1.671-4 – Method of reporting 2009 26 CFR 1.671-4 – Method of reporting