49 C.F.R. § 511.13 Amendments and supplemental pleadings.
Title 49 - Transportation
Whenever determination of a controversy on the merits will be facilitated thereby, the Presiding Officer upon motion, may allow appropriate amendments and supplemental pleadings which do not unduly broaden the issues in the proceeding or cause undue delay.
Title 49: Transportation
PART 511—ADJUDICATIVE PROCEDURES
Subpart B—Pleadings; Form; Execution; Service of Documents
§ 511.13 Amendments and supplemental pleadings.