{"data":{"id":"us/50-cfr-27.82","jurisdiction":"us","citation":"50 CFR 27.82","heading":"Possession and delivery of controlled substances.","body":"(a) Definitions for the purpose of this section:\n(1) The term controlled substance means a drug or other substance, or immediate precursor, included in schedules I, II, III, IV, or V of part B of the Controlled Substance Act (21 U.S.C. 812) or any drug or substance added to these schedules pursuant to the terms of the Controlled Substance Act.\n(2) The term practitioner means a physician, dentist, veterinarian, scientific investigator, pharmacist, or other person licensed, registered, or otherwise permitted by the United States or the jurisdiction in which he practices to distribute or possess a controlled substance in the course of professional practice.\n(3) The term delivery means the actual, attempted or constructive transfer and/or distribution of a controlled substance, whether or not there exists an agency relationship.\n(b) Offenses. (1) The delivery of any controlled substance on a national wildlife refuge is prohibited, except that distributed by a practitioner in accordance with applicable law.\n(2) The possession of a controlled substance on a national wildlife refuge is prohibited unless such substance was obtained by the possessor directly, or pursuant to a valid prescription or order, from a practitioner acting in the course of his professional practice, or except as otherwise authorized by applicable law.\n(3) Presence in a national wildlife refuge when under the influence of a controlled substance to a degree that may endanger oneself, or another person, or property, or may cause unreasonable interference with another person's enjoyment of a national wildlife refuge is prohibited.","path":["Title 50—Wildlife and Fisheries","CHAPTER I—UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—THE NATIONAL WILDLIFE REFUGE SYSTEM","PART 27—PROHIBITED ACTS","Subpart H—Disturbing Violations: Personal Conduct"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-50.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:39Z","sha256":"d102ff63eb6aab139314d82c90bc399f32b24f13e92c46937cb74190f5d790b6","source_id":"us-cfr","stale":true,"prev":"us/50-cfr-27.81","next":"us/50-cfr-27.83"},"notice":"GroundRules: Original legal text. Not legal advice."}