N.Y. Comp. Codes R. & Regs. tit. 9, § 482.2 – Procedure for obtaining certificate of compliance.

(a) The licensee shall make a written request to the superintendent for a certificate of compliance authorizing him to manufacture or assemble a specific model firearm. As a part of said application the licensee shall affirm under penalty of perjury that the firearm for which such certificate of compliance is being sought will be manufactured and assembled so as to meet all of the tests and specifications as to materials and parts required by section 482.5 of this Part.
(b) Upon receipt of such request, the superintendent shall issue a certificate of compliance to the licensee that shall be in a form prescribed by the superintendent and that certificate of compliance shall be delivered to the licensee by first class mail.
(c) As a condition for the issuance of such certificate of compliance, the licensee shall make available to the superintendent samples of the material utilized in the manufacture or assembly of the firearm for which the certificate of compliance has been issued for the purpose of examination, analysis and testing.
In the alternative, he shall make available a completely assembled firearm manufactured in compliance with said certificate of compliance. Such samples or firearm shall be made available on request of the superintendent at such time as he may deem necessary.