49 C.F.R. § 215.129 Defective cushioning device.
Title 49 - Transportation
A railroad may not place or continue in service a car if it has a cushioning device that is— (a) Broken; (b) Inoperative; or (c) Missing a part— unless its sliding components have been effectively immobilized.
Title 49: Transportation
PART 215—RAILROAD FREIGHT CAR SAFETY STANDARDS
Subpart B—Freight Car Components
Draft System
§ 215.129 Defective cushioning device.