N.Y. Comp. Codes R. & Regs. tit. 14, § 542.5
(b) Family care providers, employees living on the grounds of a State-operated psychiatric facility and members of law enforcement or governmental agencies or correction officers who are employed by the Department of Correctional Services and who are on the grounds of a facility in their official capacity shall be the only individuals eligible to apply for an exception to the prohibition against firearms.