Versions of 39 CFR 3030.161 - Density calculation data sources on LawServer 2024 39 CFR 3030.161 – Density calculation data sources 2023 39 CFR 3030.161 – Density calculation data sources 2022 39 CFR 3030.161 – Density calculation data sources 2021 39 CFR 3030.161 – Density calculation data sources