N.Y.C. Charter § 387: Section 387. Program management.

a. The heads of mayoral agencies shall supervise the execution and management of all programs and activities of their respective agencies and shall have cognizance and control of the government, administration, and discipline of their agencies.

b. Heads of mayoral agencies shall determine standards for, and monitor, evaluate, and exercise general supervision over, all services and facilities under their jurisdiction. To the extent necessary to carry out the provisions of the charter and other applicable law, and when not inconsistent with any other law, heads of mayoral agencies shall have the power and duty to visit and inspect providers of services under their jurisdiction.