39 C.F.R. § 959.14
Not later than the date fixed for the filing of the answer, a party may file a written request that a hearing be held at a place other than that designated in the notice. The party shall support the request with a statement outlining:
[39 FR 33213, Sept. 16, 1974, as amended at 63 FR 66052, Dec. 1, 1998]