Versions of 40 CFR 84.21 - Sale or conveyance of regulated substances produced or imported with application-specific allowances on LawServer 2024 40 CFR 84.21 – Sale or conveyance of regulated substances produced or imported with application-specific allowances 2023 40 CFR 84.21 – Sale or conveyance of regulated substances produced or imported with application-specific allowances 2022 40 CFR 84.21 – Sale or conveyance of regulated substances produced or imported with application-specific allowances 2021 40 CFR 84.21 – Sale or conveyance of regulated substances produced or imported with application-specific allowances