{"data":{"id":"us/47-cfr-88.139","jurisdiction":"us","citation":"47 CFR 88.139","heading":"DFMS administrator fees.","body":"(a) A DFMS Administrator may charge users a reasonable fee for services provided, including usage-based fees for frequency assignments.\n(b) The Commission, upon request, will review the fees and can require changes in those fees if they are found to be excessive.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 88—UNCREWED AIRCRAFT SYSTEM SERVICES","Subpart E—Dynamic Frequency Management Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"47969ff77bb77e6f7d372e38f3e1a33f98430ea61e481279b3de7452c53441ef","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-88.137","next":"us/47-cfr-88.141"},"notice":"GroundRules: Original legal text. Not legal advice."}