33 U.S.C. § 924 : US Code - Section 924: Witnesses

Search 33 U.S.C. § 924 : US Code - Section 924: Witnesses

No person shall be required to attend as a witness in any
proceeding before a deputy commissioner at a place outside of the
State of his residence and more than one hundred miles from his
place of residence, unless his lawful mileage and fee for one day's
attendance shall be first paid or tendered to him; but the
testimony of any witness may be taken by deposition or
interrogatories according to the rules of practice of the Federal
district court for the judicial district in which the case is
pending (or of the United States District Court for the District of
Columbia if the case is pending in the District).