[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR232.503] [Page 571] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 232_BRAKE SYSTEM SAFETY STANDARDS for FREIGHT and OTHER NON- Subpart F_Introduction of New Brake System Technology Sec. 232.503 Process to introduce new brake system technology. (a) Pursuant to the procedures contained in Sec. 232.17, each railroad shall obtain special approval from the FRA Associate Administrator for Safety of a pre-revenue service acceptance testing plan, developed pursuant to Sec. 232.505, for the new brake system technology, prior to implementing the plan. (b) Each railroad shall complete a pre-revenue service demonstration of the new brake system technology in accordance with the approved plan, shall fulfill all of the other requirements prescribed in Sec. 232.505, and shall obtain special approval from the FRA Associate Administrator for Safety under the procedures of Sec. 232.17 prior to using such brake system technology in revenue service.