{"data":{"id":"us/49-cfr-392.82","jurisdiction":"us","citation":"49 CFR 392.82","heading":"Using a hand-held mobile telephone.","body":"(a)(1) No driver shall use a hand-held mobile telephone while driving a CMV.\n(2) No motor carrier shall allow or require its drivers to use a hand-held mobile telephone while driving a CMV.\n(b) Definitions. For the purpose of this section only, driving means operating a commercial motor vehicle on a highway, including while temporarily stationary because of traffic, a traffic control device, or other momentary delays. Driving does not include operating a commercial motor vehicle when the driver has moved the vehicle to the side of, or off, a highway and has halted in a location where the vehicle can safely remain stationary.\n(c) Emergency exception. Using a hand-held mobile telephone is permissible by drivers of a CMV when necessary to communicate with law enforcement officials or other emergency services.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS","PART 392—DRIVING OF COMMERCIAL MOTOR VEHICLES","Subpart H—Limiting the Use of Electronic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"997e85c4b84db364839f94b2947d34ed5433d22320f86aef1a0ba23c6517e28b","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-392.80","next":"us/49-cfr-393.1"},"notice":"GroundRules: Original legal text. Not legal advice."}