50 CFR 27.72 : Wildlife And Fisheries (§ 1.1 To Parts 698-699) — (§ 18.1 To Parts 101-199) — United States Fish And Wildlife Service, Department Of The Interior (Continued) (§ 18.1 To Parts 101-199) — The National Wildlife Refuge System (§ 25.11 To § 38.17) — Prohibited Acts (§ 27.11 To § 27.97) — Disturbing Violations: Filming, Photography, And Light And Sound Equipment (§ 27.71 To § 27.73) — Audio equipment.
4 Aug 2016
The operation or use of audio devices including radios, recording and playback devices, loudspeakers, television sets, public address systems and musical instruments so as to cause unreasonable disturbance to others in the vicinity is prohibited.