42 C.F.R. § 1005.3 – Rights of parties.

(a) Except as otherwise limited by this part, all parties may—
1. (1) Be accompanied, represented and advised by an attorney;
2. (2) Participate in any conference held by the ALJ;
3. (3) Conduct discovery of documents as permitted by this part;
4. (4) Agree to stipulations of fact or law which will be made part of the record;
5. (5) Present evidence relevant to the issues at the hearing;
6. (6) Present and cross-examine witnesses;
7. (7) Present oral arguments at the hearing as permitted by the ALJ; and
8. (8) Submit written briefs and proposed findings of fact and conclusions of law after the hearing.
(b) Fees for any services performed on behalf of a party by an attorney are not subject to the provisions of section 206 of title II of the Act, which authorizes the Secretary to specify or limit these fees.