Except as otherwise limited by this part, all parties may—
Be accompanied, represented, and advised by a representative;
Participate in any conference held by the ALJ;
Conduct discovery;
Agree to stipulations of fact or law, which shall be made part of the record;
Present evidence relevant to the issues at the hearing;
Present and cross-examine witnesses;
Present oreal arguments at the hearing as permitted by the ALJ; and
Submit written briefs and proposed findings of fact and conclusions of law after the hearing.