Versions of 19 CFR 182.52 - Subsequent claims for preferential tariff treatment on LawServer 2024 19 CFR 182.52 – Subsequent claims for preferential tariff treatment 2023 19 CFR 182.52 – Subsequent claims for preferential tariff treatment 2022 19 CFR 182.52 – Subsequent claims for preferential tariff treatment 2021 19 CFR 182.52 – Subsequent claims for preferential tariff treatment