{"data":{"id":"us/47-cfr-90.135","jurisdiction":"us","citation":"47 CFR 90.135","heading":"Modification of license.","body":"(a) In addition to those changes listed in § 1.929(k) of this chapter and in accordance with § 1.947 of this chapter the following modifications may be made to an existing authorization without prior Commission approval:\n(1) Change in the number and location of station control points or of control stations operating below 470 or above 800 MHz meeting the requirements of § 90.119(b).\n(2) Change in the number of mobile units operated by Radiolocation Service licensees.\n(b) Unless specifically exempted in § 90.175, licensees must submit a Form 601 application for modification to the applicable frequency coordinator for any change listed in § 1.929(c)(4) of this chapter.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 90—PRIVATE LAND MOBILE RADIO SERVICES","Subpart G—Applications and Authorizations"],"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":"c29513e7c1dc22387a9dedd730410c7102a934ceed62ef3c300dec06780e7006","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-90.129","next":"us/47-cfr-90.137"},"notice":"GroundRules: Original legal text. Not legal advice."}