215.3—Application.
(a)
Except as provided in paragraphs (b) and (c) of this section, this part applies to each railroad freight car in service on:
(2)
Any other standard gage track while the car is being operated by, or is otherwise under the control of, a railroad.
(3)
Maintenance-of-way equipment (including self-propelled maintenance-of-way equipment) if that equipment is not used in revenue service and is stenciled in accordance with § 215.305 of this part.
(4)
Operated in a passenger train and that is inspected, tested, maintained, and operated pursuant to the requirements contained in part 238 of this chapter.
[44 FR 77340, Dec. 31, 1979, as amended at 65 FR 41305, July 3, 2000]