22 CFR 224.25 - Fees.
The party requesting a subpoena shall pay the cost of the fee and mileage of any witness subpoenaed in the amounts that would be payable to a witness in a proceeding in the United States District Court. A check for witness fees and mileage shall accompany the subpoena when served, except that when a subpoena is issued on behalf of A.I.D., a check for witness fees and mileage need not accompany the subpoena.
Title 22 published on 2013-04-01
no entries appear in the Federal Register after this date.