New York Consolidated Laws, Insurance Law - ISC § 502. Prohibitions

(a) With respect to a certificate of insurance evidencing that a policy provides personal injury liability insurance or property damage liability insurance, as defined in paragraphs thirteen and fourteen of subsection (a) of section one thousand one hundred thirteen of this chapter, no person or governmental entity shall wilfully require, as a condition of awarding a contract for work, or if a contract has already been awarded as a condition for work to commence or continue under the contract, or if the contract has been performed or partially performed as a condition for payment to be made under the contract, the issuance of a certificate of insurance unless the certificate is:

(b) No person or governmental entity shall wilfully require the inclusion of terms, conditions or language of any kind, including warranties or guarantees, that the insurance policy provides coverage or otherwise sets forth terms and conditions in a certificate of insurance, if the insurance policy referenced by such certificate of insurance does not expressly include such terms, conditions, or language.  This subsection shall not prohibit any person or governmental entity from including minimum insurance requirements, coverage limits, terms, or other conditions in the solicitation of bids as part of a competitive process, and it shall not prohibit any person or governmental entity from requesting, or an insurer or insurance producer from responding to such a request with, clarification regarding the terms of the policy, or endorsement thereto.

(c) A certificate of insurance shall not amend, extend, or alter the coverage provided by the insurance policy to which the certificate of insurance makes reference.  A certificate of insurance shall further not confer to any person any rights beyond those expressly provided by the policy of insurance referenced therein.