N.Y. Comp. Codes R. & Regs. tit. 11, § 16.1
(j) Special risk means:
(1) Class 1. Where all or part of the insured's business operations, for which coverage is authorized by the kinds of insurance defined in section 1113(a) of the Insurance Law, is insured in a single policy written in accordance with section 6303 of the Insurance Law, and which is written with or is reasonably expected to produce a billed annual premium of at least:
(2) Class 2. Coverages that are:
(3) Class 3. Coverage other than medical malpractice issued to a large commercial insured that employs or retains a special risk manager to assist in the negotiation and purchase of a policy exempted under this article, provided, however, that:
For purposes of this Part: