[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: 50CFR27.97] [Page 164] 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 I_Other Disturbing Violations Sec. 27.97 Private operations. Soliciting business or conducting a commercial enterprise on any national wildlife refuge is prohibited except as may be authorized by special permit.