(a) Attorney. Any attorney in good standing who is admitted to
practice before a court of a State, territory, district, or insular
possession, or before the Supreme Court of the United States or other
Federal court and is not, pursuant to any provision of law, prohibited
from acting as a representative, may be appointed as a representative.
(b) Other person. With the approval of the adjudication officer,
any other person may be appointed as a representative so long as that
person is not, pursuant to any provision of law, prohibited from acting
as a representative.
