D.C. Code § 11-722

The District of Columbia Court of Appeals has jurisdiction (1) except as provided in clause (2), to review orders and decisions of the Commissioner [Mayor] of the District of Columbia, the District of Columbia Council, any agency of the District of Columbia (including the Board of Zoning Adjustment of the District of Columbia and the Zoning Commission of the District of Columbia), and the District of Columbia Redevelopment Land Agency, in accordance with the District of Columbia Administrative Procedure Act (D.C. Official Code, secs. 2-501 — 2-510); and (2) to review orders and decisions of the Public Service Commission of the District of Columbia in accordance with section 8 of the Act of March 4, 1913 (D.C. Official Code, Chapters 1 through 11, Title 34).