Versions of 31 CFR Part 552 - Yemen Sanctions Regulations on LawServer 2024 31 CFR Part 552 – Yemen Sanctions Regulations 2023 31 CFR PART 552 – YEMEN SANCTIONS REGULATIONS 2022 31 CFR Part 552 – Yemen Sanctions Regulations 2021 31 CFR Part 552 – Yemen Sanctions Regulations 2020 31 CFR Part 552 – Yemen Sanctions Regulations