50 C.F.R. § 27.81 Alcoholic beverages.
Title 50 - Wildlife and Fisheries
Entering or remaining in any national wildlife refuge when under the influence of alcohol, to a degree that may endanger oneself or other persons or property or unreasonably annoy persons in the vicinity, is prohibited.
Title 50: Wildlife and Fisheries
PART 27—PROHIBITED ACTS
Subpart H—Disturbing Violations: Personal Conduct
§ 27.81 Alcoholic beverages.