D.C. Mun. Regs. tit. 14 § 106
After an inspection of a habitation, the Director shall provide the tenant of the habitation a copy of any notification with respect to that habitation issued to the owner pursuant to this subtitle.
The notification to the tenant shall state plainly and conspicuously that it is only for the tenant's information; Provided, that if the notice places duties on the tenant, it shall state those duties.
In any instance where a violation of this subtitle directly involves more than one habitation, the Director shall post a copy of any notification issued to the owner pursuant to this chapter for a reasonable time in one or more locations within the building or buildings in which the deficiency exists. The locations for posting the notification shall be reasonably selected to give notice to all tenants affected.
No person shall alter, modify, destroy, or otherwise tamper with or mutilate a notification posted under this section.
Any tenant directly affected by the violation(s) shall, upon request to the Director, be sent a copy of the posted notification.
This section shall not be subject to any notice requirement of this subtitle.
D.C. Mun. Regs. Tit. 14, § 106