555.78—Representation at a hearing.
         An applicant, licensee, or permittee may be represented by an attorney, certified public accountant, or other person recognized to practice before the Bureau of Alcohol, Tobacco and Firearms as provided in  31 CFR Part 8, if he has otherwise complied with the applicable requirements of 26 CFR  601.521 through 601.527. The regional director (compliance) shall be represented in proceedings under  §§ 555.73 and 555.75 by an attorney in the office of the chief counsel or regional counsel who is authorized to execute and file motions, briefs, and other papers in the proceedings, on behalf of the regional director (compliance), in his own name as “Attorney for the Government”.