49 U.S.C. § 21105 - U.S. Code - Unannotated Title 49. Transportation § 21105. Limitations on duty hours of dispatching service employees

(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--

(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.