15 CFR 904.5 - Appearances.
(b) Whenever an attorney or other representative contacts the Agency on behalf of another person with regard to any matter that has resulted in, or may result in, a written warning, a NOVA, NOPS, NIDP, or a forfeiture proceeding, that attorney or other representative shall file a Notice of Appearance with the Agency. Such notice shall indicate the name of the person on whose behalf the appearance is made.
(c) Each attorney or other representative who represents a party in any hearing shall file a written Notice of Appearance with the Judge. Such notice shall indicate the name of the case, the docket number, and the party on whose behalf the appearance is made.