50 C.F.R. § 27.73 Artificial lights.
Title 50 - Wildlife and Fisheries
No unauthorized person shall use or direct the rays of a spotlight or other artificial light, or automotive headlights for the purpose of spotting, locating, or taking any animal within the boundaries of any national wildlife refuge or along rights-of-way for public or private roads within a national wildlife refuge.
Title 50: Wildlife and Fisheries
PART 27—PROHIBITED ACTS
Subpart G—Disturbing Violations: Light and Sound Equipment
§ 27.73 Artificial lights.