N.Y.C. Admin. Code § 7-516: § 7-516 Construction clause.

Any law, rule, regulation, contract or other document which refers or is applicable to the sheriff of any of the counties in the city shall refer to the office of the city sheriff in such county, except that any provision, in any law, rule, regulation, contract or other document relating to the custody and transportation of prisoners held for any cause in criminal proceedings in any county within the city, heretofore applicable to any sheriff of any of the counties within the city, shall apply to the department of correction.