N.Y.C. Charter § 490: Section 490. Powers of inspection of the commissioner.

a. The commissioner is empowered to:

(1) Cause any building, structure, tunnel, enclosure, vessel, place or premises to be inspected for fire hazards by any officer or employee of the department designated for such purpose.

(2) Inspect and test any automatic or other fire alarm system or fire extinguishing equipment.

b. Whenever in any investigation or inspection carried on by the department a condition is found which in the opinion of the commissioner should be referred to any other department, he shall promptly make such reference in writing.