2024 26 CFR 145.4052-1 – Special rules and definitions

2023 26 CFR 145.4052-1 – Special rules and definitions

2022 26 CFR 145.4052-1 – Special rules and definitions

2021 26 CFR 145.4052-1 – Special rules and definitions

2020 26 CFR 145.4052-1 – Special rules and definitions

2019 26 CFR 145.4052-1 – Special rules and definitions

2016 26 CFR 145.4052-1 – Special rules and definitions

2015 26 CFR 145.4052-1 – Special rules and definitions

2014 26 CFR 145.4052-1 – Special rules and definitions

2010 26 CFR 145.4052-1 – Special rules and definitions

2009 26 CFR 145.4052-1 – Special rules and definitions