2024 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2023 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2022 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2021 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2020 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2019 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2016 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2015 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2014 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2010 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees

2009 26 CFR 1.50B-1 – Definitions of WIN expenses and WIN employees.