49 C.F.R. § 209.315 Subpoenas.
Title 49 - Transportation
Once a notice of proposed disqualification has been issued in a particular matter, only the presiding officer may issue, deny, quash, or modify subpoenas under this subpart in accordance with §209.7.
Title 49: Transportation
PART 209—RAILROAD SAFETY ENFORCEMENT PROCEDURES
Subpart D—Disqualification Procedures
§ 209.315 Subpoenas.