District of Columbia Code Division VII. Property. § 42-3651.02. Grounds for appointment of a receiver.

(A) By personal service on the property owner, lessor, or manager or the agent thereof;

(B) By delivering the notice to the last known home or business address of the property owner, lessor, manager, or agent as identified by the tax records, business license records, or business entity registration records, and leaving it with a person over 16 years of age residing or employed therein;

(C) By mailing the notice, via first-class mail postage prepaid, to the last known home or business address of the property owner, lessor, manager, or agent as identified by the tax records, business license records, or business entity registration records; or

(D) If the notice is returned as undeliverable by the post office authorities, or if no address is known or can be ascertained from the District's tax, business license, or business entity registration records, by posting a copy of the notice in a conspicuous place in or about the structure affected by such notice.

(A) Vermin or rat infestation;

(B) Filth or contamination;

(C) Inadequate ventilation, illumination, sanitary, heating or life safety facilities;

(D) Inoperative fire suppression or warning equipment;

(E) Inoperative doors or window locks; or

(F) Any other condition that constitutes a hazard to tenants, occupants or the public.