D.C. Code § 7-1141.02: Establishment of the Department of Behavioral Health.

(a)

There is established as a separate, cabinet-level Department, subordinate to the Mayor, the Department of Behavioral Health.

(b)

The Department shall be the successor-in-interest to the Department of Mental Health, established by Chapter 11A of this title [§ 7-1131.01 et seq.], and the Department of Health Addiction Prevention and Recovery Administration, established in the Department of Health by the Reorganization Plan No. 4 of 1996, effective July 17, 1996 [§ 1-1514.01].