Versions of 14 CFR 1251.503 - Definitions on LawServer 2024 14 CFR 1251.503 – Definitions 2023 14 CFR 1251.503 – Definitions 2022 14 CFR 1251.503 – Definitions 2021 14 CFR 1251.503 – Definitions 2020 14 CFR 1251.503 – Definitions 2019 14 CFR 1251.503 – Definitions 2016 14 CFR 1251.503 – Definitions 2015 14 CFR 1251.503 – Definitions 2014 14 CFR 1251.503 – Definitions
