N.Y. Insurance Law § 4118
(a)
(1) In applying the limitation of section one thousand one hundred fifteen of this chapter to fidelity and surety risks the net amount of exposure on any one fidelity or surety risk shall, except as provided in paragraph four hereof, be deemed within the limit of ten percent if the company is protected in excess of that amount by:
(3) In determining the net amount of exposure on any one risk, the following rules shall be applicable to the kinds of obligations hereinafter described: