Versions of 26 CFR 1.199A-4 - Aggregation on LawServer 2024 26 CFR 1.199A-4 – Aggregation 2023 26 CFR 1.199A-4 – Aggregation 2022 26 CFR 1.199A-4 – Aggregation 2021 26 CFR 1.199A-4 – Aggregation