{"data":{"id":"us/47-cfr-17.24","jurisdiction":"us","citation":"47 CFR 17.24","heading":"Existing structures.","body":"No change to painting or lighting criteria or relocation of airports shall at any time impose a new restriction upon any then existing or authorized antenna structure or structures, unless the FAA issues a new determination of “no hazard” and associated FAA study for the particular structure.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER A—GENERAL","PART 17—CONSTRUCTION, MARKING, AND LIGHTING OF ANTENNA STRUCTURES","Subpart C—Specifications for Obstruction Marking and Lighting of Antenna Structures"],"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":"1a82b22a5f78c01fbd2599c19d1394c07052aebbccf917a60f99ed977dce468c","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-17.23","next":"us/47-cfr-17.25-17.45"},"notice":"GroundRules: Original legal text. Not legal advice."}