(a) Subject to the provisions of 43 CFR 1.3, the respondent may appear in person, by representative, or by counsel, and may participate fully in these proceedings.

(b) Department counsel designated by the Solicitor of the Department shall represent the Director in these proceedings. Upon notice to the Director of the assignment of an administrative law judge to the case, said counsel shall enter his appearance on behalf of the Director and shall file all petitions and correspondence exchanged by the Director and the respondent pursuant to subpart B of this part, which shall become part of the hearing record. Thereinafter, service upon the Director in these proceedings shall be made to his counsel.