N.Y. Comp. Codes R. & Regs. tit. 9, § 472.4 – Responsibilities of manufacturers.

(a) On or after March 1, 2001, any manufacturer that ships, transports or delivers a pistol or revolver to any person in this State shall include in the container with such pistol or revolver, a ballistic sample discharged from such firearm. Ballistic samples shall be enclosed in an approved container properly completed and sealed in accordance with the instructions outlined in this section.
(b) Manufacturers shall be responsible for ensuring that each ballistic sample is properly identified and packaged with the weapon from which it was discharged.
1. (1) The manufacturer shall not write nor place any sticker, label or item upon the space within one inch from the top of the envelope.
2. (2) A line labeled “Make” shall identify the make or brand name under which the firearm is marketed and which is displayed on such firearm.
3. (3) A line labeled “Model” shall identify the model name or number assigned by the manufactured and under which the firearm is marketed.
4. (4) A line labeled “Caliber” shall identify the caliber of ammunition the firearm is designed to discharge.
5. (5) A line labeled “Serial#” shall identify the unique serial number assigned to the firearm by the manufacturer as required by Federal regulation.
6. (6) A line labeled “Gun Type” shall identify the firearm as either a pistol or a revolver.
7. (7) a line labeled “Collector” shall identify the name of the person collecting the ballistic sample.
8. (8) A line labeled “Signature” shall contain the signature of the person collecting the ballistic sample. The signature appearing on this line shall signify that the enclosed ballistic sample is the one discharged by the manufacturer from the identified firearm and that all information on the container is accurate.
9. (9) A line labeled “Date” shall identify the date of collection of the ballistic sample.
  (d) Instructions for sealing approved container.
  An approved container shall be properly sealed by closing the envelope flap and affixing sealing tape across the flap in such a manner as to prevent the opening of such flap. The person collecting the ballistic sample shall then place his or her initials across the sealing tape.
(c) Instructions for imprinting information upon approved container.
The information imprinted upon an approved container shall be completed in the following manner. It may be placed directly on the envelope or on a nonremovable sticker or label securely affixed to the envelope. Additional information may be included if necessary to fulfill requirements imposed by other jurisdictions. The following are minimum requirements under this Part. Except for the signature, all information MUST be machine printed.