49 C.F.R. § 218.59 Responsibilities of railroads.
Title 49 - Transportation
Any railroad that operates a train when the controlling locomotive of a train is equipped with a disabled safety device is subject to a civil penalty as provided for in appendix A of this part.
Title 49: Transportation
PART 218—RAILROAD OPERATING PRACTICES
Subpart D—Prohibition Against Tampering With Safety Devices
§ 218.59 Responsibilities of railroads.