The authenticity of all documents submitted as proposed exhibits in advance of the hearing shall be deemed admitted unless written objection therto is filed prior to the hearing, except that a party will be permitted to challenge such authenticity at a later time upon a clear showing of good cause for failure to have filed such written objection.

[54 FR 48596, Nov. 24, 1989. Redesignated by Order No. 1534-91, 56 FR 50053, Oct. 3, 1991]