Versions of 31 CFR Part 592 - Rough Diamonds Control Regulations on LawServer 2024 31 CFR Part 592 – Rough Diamonds Control Regulations 2023 31 CFR PART 592 – ROUGH DIAMONDS CONTROL REGULATIONS 2022 31 CFR Part 592 – Rough Diamonds Control Regulations 2021 31 CFR Part 592 – Rough Diamonds Control Regulations 2020 31 CFR Part 592 – Rough Diamonds Control Regulations