New York Laws
Article 36-A - Home Improvement Contracts
771-B - Responsibilities of Roofing Contractors.

(1) A certificate of workers' compensation covering all employees of
the roofing contractor. If the roofing contractor does not have any
employees, then the contractor must provide a certificate of attestation
exemption (CE-200) form from the workers' compensation board; and
(2) Certificates of general liability and property damage insurance in
the amount of one hundred thousand dollars per person, three hundred
thousand dollars per occurrence, bodily injury; and fifty thousand
dollars for each occurrence and aggregate, property damage.
(b) The insurance requirements set forth in this subdivision shall
apply to roofing contracts performed in all political subdivisions that
do not contain any insurance requirements for such contracts.