{"data":{"id":"us/21-cfr-1301.75","jurisdiction":"us","citation":"21 CFR 1301.75","heading":"Physical security controls for practitioners.","body":"(a) Controlled substances listed in Schedule I shall be stored in a securely locked, substantially constructed cabinet.\n(b) Controlled substances listed in Schedules II, III, IV, and V shall be stored in a securely locked, substantially constructed cabinet. However, pharmacies and institutional practitioners may disperse such substances throughout the stock of noncontrolled substances in such a manner as to obstruct the theft or diversion of the controlled substances.\n(c) Sealed mail-back packages and inner liners collected in accordance with part 1317 of this chapter shall only be stored at the registered location in a securely locked, substantially constructed cabinet or a securely locked room with controlled access, except as authorized by § 1317.80(d).\n(d) This section shall also apply to nonpractitioners authorized to conduct research or chemical analysis under another registration.\n(e) Thiafentanil, carfentanil, etorphine hydrochloride and diprenorphine shall be stored in a safe or steel cabinet equivalent to a U.S. Government Class V security container.","path":["Title 21—Food and Drugs","CHAPTER II—DRUG ENFORCEMENT ADMINISTRATION, DEPARTMENT OF JUSTICE","PART 1301—REGISTRATION OF MANUFACTURERS, DISTRIBUTORS, AND DISPENSERS OF CONTROLLED SUBSTANCES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"0fa1eabf3be80dcb10a333e59a108bd744060a0a2be14a48251b39cac72f6361","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-1301.74","next":"us/21-cfr-1301.76"},"notice":"GroundRules: Original legal text. Not legal advice."}