N.Y.C. Charter § 1526: Section 1526. Office of city sheriff.

1. There shall be within the department an office of the city sheriff which shall be subject to the supervision and control of the commissioner of finance. Notwithstanding any other provision of law, the commissioner of finance may exercise or assign within the department such management functions of the office of the sheriff, including but not limited to those functions related to the appointment and removal of deputy sheriffs and other personnel of such office pursuant to the civil service law, as he or she may deem appropriate to achieve effective and efficient functioning and management of such office.

2. Except as otherwise provided by law, the city sheriff shall exercise the functions, powers and duties formerly exercised by the sheriffs of the several counties.