11 CFR §111.23

1. (a)If a respondent wishes to be represented by counsel with regard to any matter pending before the Commission, respondent shall give the Commission a written notice of representation signed by the respondent, which shall include:
   1. (1)The name, address, email address, and telephone number of the counsel;
   2. (2)A statement authorizing such counsel to receive any and all notifications and other communications from the Commission on behalf of respondent.
2. (b)Upon receipt of this notice, the Commission shall have no contact with respondent except through the designated counsel unless authorized in writing by respondent.