2024 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2023 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2022 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2021 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2020 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2019 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2016 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2015 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2014 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2010 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers

2009 26 CFR 20.6011-4 – Requirement of statement disclosing participation in certain transactions by taxpayers