39 C.F.R. § 963.8
Not later than the date fixed for the filing of the answer, a party may file a request that a hearing be held to receive evidence in his or her behalf at a place other than that designated for hearing in the notice. The party shall support his or her request with a statement outlining:
(c) The reasons why such evidence cannot be produced at Arlington, VA.
The presiding officer shall consider the convenience and necessity of the parties and the relevance of the evidence to be offered.
[52 FR 18912, May 20, 1987, as amended at 62 FR 4459, Jan. 30, 1997; 63 FR 66053, Dec. 1, 1998]