D.C. Mun. Regs. tit. 5, r. 5-A8132
The Commission, on its own motion or on the receipt of a complaint submitted in accordance with this section, may request the Executive Director to investigate an applicant or licensee if the facts alleged in the complaint, if proven, would constitute a violation of the requirements of this chapter.
A person who desires to file a complaint against an applicant or licensee shall do the following:
Nothing in § 8132.2 precludes the Commission, on its own motion, from requesting the Executive Director to investigate an applicant or licensee based on information obtained from a Commissioner or a Commission staff member.
Upon receiving a complaint, the Commission may, in its discretion, request that the applicant or licensee against whom the complaint is made respond in writing to the allegations contained in the complaint. If the Commission requests such a response, it shall inform the applicant or licensee that the Commission may send a copy of the response to the complainant.
If the Commission receives a written response pursuant to §8132.4, it may, in its discretion, send a copy of the response to the complainant and request a written reply within a time period determined by the Commission.
After considering a complaint against an applicant or licensee, and any response thereto, the Commission may take one of the following actions:
If the Commission dismisses a complaint, it shall give the complainant notice in writing, sent by first class mail, of the dismissal of the complaint within ten (10) days of the action.
D.C. Mun. Regs. tit. 5, r. 5-A8132