Versions of 43 CFR 50.1 - What is the purpose of this part? on LawServer 2024 43 CFR 50.1 – What is the purpose of this part? 2023 43 CFR 50.1 – What is the purpose of this part? 2022 43 CFR 50.1 – What is the purpose of this part? 2020 43 CFR 50.1 – What is the purpose of this part? 2019 43 CFR 50.1 – What is the purpose of this part? 2016 43 CFR 50.1 – What is the purpose of this part?