{"data":{"id":"us/49-u.s.c.-21105","jurisdiction":"us","citation":"49 U.S.C. § 21105","heading":"Limitations on duty hours of dispatching service employees","body":"(a) Application.—This section applies, rather than section 21103 or 21104 of this title, to a train employee or signal employee during any period of time the employee is performing duties of a dispatching service employee. (b) General.—Except as provided in subsection (d) of this section, a dispatching service employee may not be required or allowed to remain or go on duty for more than—(1) a total of 9 hours during a 24-hour period in a tower, office, station, or place at which at least 2 shifts are employed; or (2) a total of 12 hours during a 24-hour period in a tower, office, station, or place at which only one shift is employed. (c) Determining Time on Duty.—Under subsection (b) of this section, time spent performing any other service for the railroad carrier during a 24-hour period in which the employee is on duty in a tower, office, station, or other place is time on duty in that tower, office, station, or place. (d) Emergencies.—When an emergency exists, a dispatching service employee may be allowed to remain or go on duty for not more than 4 additional hours during a period of 24 consecutive hours for not more than 3 days during a period of 7 consecutive days.","path":["Title 49—TRANSPORTATION","CHAPTER 211—HOURS OF SERVICE"],"source_url":"https://uscode.house.gov/download/releasepoints/us/pl/119/103/xml_usc49@119-103.zip","current_through":"Public Law 119-103 (09/02/2026)","vintage":"","retrieved_at":"2026-09-10T06:01:06Z","sha256":"0ce74ecb0e58e2d23ea2718326f8334708ecb1ba85108e6d46c8420bf783831d","source_id":"us","stale":true,"prev":"us/49-u.s.c.-21104","next":"us/49-u.s.c.-21106"},"notice":"GroundRules: Original legal text. Not legal advice."}