29 C.F.R. § 18.607 Who may impeach.
Title 29 - Labor
The credibility of a witness may be attacked by any party, including the party calling the witness.
Title 29: Labor
PART 18—RULES OF PRACTICE AND PROCEDURE FOR ADMINISTRATIVE HEARINGS BEFORE THE OFFICE OF ADMINISTRATIVE LAW JUDGES
Subpart B—Rules of Evidence
Witnesses
§ 18.607 Who may impeach.