45 CFR § 1149.37 - Are witness lists and exhibits exchanged before the hearing?
(a) The parties must exchange witness lists and copies of proposed hearing exhibits at least 15 days before the hearing or at such other time as ordered by the ALJ. This includes copies of any written statements or transcripts of deposition testimony that each party intends to offer in lieu of live testimony.
(b) If a party objects, the ALJ will not admit into evidence the testimony of any witness whose name does not appear on the witness list or any exhibit not provided to an opposing party in advance unless the ALJ finds good cause for the omission or concludes that there is no prejudice to the objecting party.
(c) Documents exchanged in accordance with this section are deemed to be authentic for the purpose of admissibility at the hearing unless a party objects within the time set by the ALJ.