34 C.F.R. § 86.408
(a)
(1) A pre-hearing conference may be convened by the ALJ if the ALJ thinks that such a conference would be useful, or if requested by—
(b) A pre-hearing conference may consist of—
(3) The submission and exchange of written material.
(Authority: 20 U.S.C. 1145g)
[55 FR 33581, Aug. 16, 1990, as amended at 61 FR 66225, Dec. 17, 1996]