New York Consolidated Laws, Penal Law - PEN § 265.07 Registration and serialization of firearms, rifles, shotguns, finished frames or receivers, and unfinished frames or receivers

(a) engrave, cast, stamp or otherwise conspicuously place both a unique serial number and his or her name (or recognized abbreviation) on such firearm, rifle, shotgun, finished frame or receiver, or unfinished frame or receiver, in a manner that satisfies or exceeds the requirements imposed on licensed importers and manufacturers pursuant to section (i) of Section 923 of Title 18 of the United States Code and regulations issued pursuant thereto at the time of such assembly;  and

(b) register with the division of criminal justice services in accordance with regulations promulgated by such division any such firearm, rifle or shotgun, finished frame or receiver, or unfinished frame or receiver.

Any person licensed as a gunsmith, or required to be, or a dealer in firearms pursuant to section 400.00 of this chapter who fails to comply with the provisions of this section shall be guilty of a class E felony.