[Code of Federal Regulations] [Title 50, Volume 5] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 50CFR27.72] [Page 162] TITLE 50--WILDLIFE AND FISHERIES CHAPTER I--UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR--(Continued) PART 27_PROHIBITED ACTS--Table of Contents Subpart G_Disturbing Violations: Light and Sound Equipment Sec. 27.72 Audio equipment. 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.