If the Board determines that a complaint has merit, the Board or its duly authorized agent may request that the Registrant who is the subject of the complaint provide a response to the complaint. A Registrant may respond to a request for response either personally or through an attorney. A response must address the substantive allegations set forth in the complaint or request for response and be provided in writing and in a timely manner in accordance with such request.
266 CMR, § 9.04