[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR215.129] [Page 181] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 215_RAILROAD FREIGHT CAR SAFETY STANDARDS--Table of Contents Subpart B_Freight Car Components Sec. 215.129 Defective cushioning device. 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.