29 C.F.R. § 102.39 Rules of evidence controlling so far as practicable.
Title 29 - Labor
Any such proceeding shall, so far as practicable, be conducted in accordance with the rules of evidence applicable in the district courts of the United States under the rules of civil procedure for the district courts of the United States, adopted by the Supreme Court of the United States pursuant to the Act of June 19, 1934, (title 28 U.S.C., secs. 723–B, 723–C).
Title 29: Labor
PART 102—RULES AND REGULATIONS, SERIES 8
Subpart B—Procedure Under Section 10 (a) to (i) of the Act for the Prevention of Unfair Labor Practices
Hearings
§ 102.39 Rules of evidence controlling so far as practicable.

