29 C.F.R. § 2.15 Protection of witnesses.
Title 29 - Labor
A witness has the right, prior to or during his testimony, to exclude audiovisual coverage of his testimony in any hearing being covered audiovisually.
Title 29: Labor
PART 2—GENERAL REGULATIONS
Subpart B—Audiovisual Coverage of Administrative Hearings
§ 2.15 Protection of witnesses.

