Versions of 48 CFR 4.1901 - Definitions on LawServer 2024 48 CFR 4.1901 – Definitions 2023 48 CFR 4.1901 – Definitions 2022 48 CFR 4.1901 – Definitions 2021 48 CFR 4.1901 – Definitions 2020 48 CFR 4.1901 – Definitions 2019 48 CFR 4.1901 – Definitions 2016 48 CFR 4.1901 – Definitions