[Code of Federal Regulations] [Title 47, Volume 1] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR5.81] [Page 629] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION PART 5--EXPERIMENTAL RADIO SERVICE (OTHER THAN BROADCAST)--Table of Contents Subpart B--Applications and Licenses Sec. 5.81 Discontinuance of station operation. In case of permanent discontinuance of operation of a fixed or land station in the Experimental Radio Service, or in case of permanent discontinuance of operation of all transmitter units listed in the license for a mobile station in the Experimental Radio Service, the licensee shall forward the station license to the Commission's Office of Engineering and Technology for cancellation.