45 C.F.R. § 99.22 – Rights of parties.

All parties may:

(a) Appear by counsel or other authorized representative, in all hearing proceedings;
(b) Participate in any prehearing conference held by the presiding officer;
(c) Agree to stipulations as to facts which will be made a part of the record;
(d) Make opening statements at the hearing;
(e) Present relevant evidence on the issues at the hearing;
(f) Present witnesses who then must be available for cross-examination by all other parties;
(g) Present oral arguments at the hearing; and
(h) Submit written briefs, proposed findings of fact, and proposed conclusions of law, after the hearing.