CFR›Title 21›Chapter II›Part 1312›Subject Group Transshipment and In-Transit Shipment of Controlled Substances ContainsSections 1312.31–1312.32CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 1312.31 § 1312.31 Schedule I: Application for prior written approval. 1312.32 § 1312.32 Schedules II, III, IV: Advance notice. Previous Importation of Controlled Substances Importation of Controlled Substances