33 C.F.R. § 20.706 Witnesses.
Title 33 - Navigation and Navigable Waters
(a) Each witness shall testify under oath or affirmation. (b) If a witness fails or refuses to answer any question the ALJ finds proper, the failure or refusal constitutes grounds for the ALJ to strike all or part of the testimony given by the witness or to take any other measure he or she deems appropriate.
Title 33: Navigation and Navigable Waters
PART 20—RULES OF PRACTICE, PROCEDURE, AND EVIDENCE FOR FORMAL ADMINISTRATIVE PROCEEDINGS OF THE COAST GUARD
Subpart G—Hearings
§ 20.706 Witnesses.