Versions of 26 CFR 1.6091-4 - Exceptional cases on LawServer 2024 26 CFR 1.6091-4 – Exceptional cases 2023 26 CFR 1.6091-4 – Exceptional cases 2022 26 CFR 1.6091-4 – Exceptional cases 2021 26 CFR 1.6091-4 – Exceptional cases 2015 26 CFR 1.6091-4 – Exceptional cases 2014 26 CFR 1.6091-4 – Exceptional cases 2010 26 CFR 1.6091-4 – Exceptional cases 2009 26 CFR 1.6091-4 – Exceptional cases
