N.Y.C. Admin. Code § 9-101: § 9-101 City correctional institutions.

The commissioner of correction may designate any institution or part thereof under the jurisdiction of the commissioner for the safekeeping of persons committed to the department of correction. The commissioner may also designate any institution or part thereof under his or her jurisdiction for the safekeeping of female prisoners only. Officers charged with the transportation of persons committed to the department of correction shall deliver them to the institution or part thereof as may be directed by the commissioner.