45 C.F.R. § 1386.104 Evidentiary purpose.
Title 45 - Public Welfare
The hearing is directed to receiving factual evidence and expert opinion testimony related to the issues in the proceeding. Argument will not be received in evidence; rather, it must be presented in statements, memoranda, or briefs, as directed by the presiding officer. Brief opening statements, which shall be limited to a statement of the party's position and what it intends to prove, may be made at hearings.
Title 45: Public Welfare
PART 1386—FORMULA GRANT PROGRAMS
Subpart D—Practice and Procedure for Hearings Pertaining to States' Conformity and Compliance With Developmental Disabilities State Plans, Reports and Federal Requirements
Hearing Procedures
§ 1386.104 Evidentiary purpose.

