12 C.F.R. § 313.44
(2) Oral hearing. The hearing official may grant a request for an oral hearing if he or she determines that the issues raised by the employee cannot be resolved by review of documentary evidence alone (e.g., where credibility or veracity are at issue). An oral hearing is not required to be an adversarial adjudication, and the hearing official is not required to apply rules of evidence. Witnesses who testify in oral hearings shall do so under oath or affirmation. Oral hearings may take the form of, but are not limited to:
(f) Content of decision. The written decision shall include: