2024 26 CFR 1.513-3 – Qualified convention and trade show activity

2023 26 CFR 1.513-3 – Qualified convention and trade show activity

2022 26 CFR 1.513-3 – Qualified convention and trade show activity

2021 26 CFR 1.513-3 – Qualified convention and trade show activity

2015 26 CFR 1.513-3 – Qualified convention and trade show activity

2014 26 CFR 1.513-3 – Qualified convention and trade show activity

2010 26 CFR 1.513-3 – Qualified convention and trade show activity

2009 26 CFR 1.513-3 – Qualified convention and trade show activity