Versions of See prior versions of a law on LawServer 2024 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with § 5c.1256-3 2023 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with § 5c.1256-3 2022 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with § 5c.1256-3. 2021 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with § 5c.1256-3. 2015 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with §5c.1256-3 2014 26 CFR 5c.1305-1 – Special income averaging rules for taxpayers otherwise required to compute tax in accordance with §5c.1256-3