(a) This part applies, according to its terms, to each railroad that uses or operates--
(1) A railroad freight car subject to part 215 of this chapter;
(2) A locomotive subject to 49 U.S.C. chapter 207 (49 U.S.C. 20701-03); or
(3) Railroad passenger equipment subject to part 238 of this chapter.
(b) This part applies, according to its terms, to each railroad owning track subject to part 213 of this chapter. [41 FR 18657, May 6, 1976, as amended at 64 FR 25659, May 12, 1999]