232.307—Modification of the single car air brake test procedures.

(a) Request. The AAR or other authorized representative of the railroad industry may seek modification of the single car air brake test procedures prescribed in § 232.305(a). The request for modification shall be submitted to the Associate Administrator for Safety, Federal Railroad Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590 and shall contain:
[66 FR 39688, Aug. 1, 2001, as amended at 74 FR 25174, May 27, 2009]