2024 27 CFR 40.33 – Cross reference

2023 27 CFR 40.33 – Cross reference

2022 27 CFR 40.33 – Cross reference

2021 27 CFR 40.33 – Cross reference

2020 27 CFR 40.33 – Cross reference

2019 27 CFR 40.33 – Cross reference

2016 27 CFR 40.33 – Cross reference

2015 27 CFR 40.33 – Cross reference

2014 27 CFR 40.33 – Cross reference

2010 27 CFR 40.33 – Cross reference

2009 27 CFR 40.33 – Special tax returns