N.Y. Penal Law § 265.07

§ 265.07 Registration and serialization of firearms, rifles, shotguns,\n finished frames or receivers, and unfinished frames or\n receivers.\n (1) For the purposes of this section, "unfinished frame or receiver"\nmeans any unserialized material that does not constitute the frame or\nreceiver of a firearm, rifle or shotgun but that has been shaped or\nformed in any way for the purpose of becoming the frame or receiver of a\nfirearm, rifle or shotgun, and which may readily be made into a\nfunctional frame or receiver through milling, drilling or other means.\n (2) On or before the effective date of this section, and promptly upon\ntaking possession thereof at any time thereafter, any person licensed as\na gunsmith, or required to be, or a dealer in firearms pursuant to\nsection 400.00 of this chapter, who is in possession of an unserialized\nfirearm, rifle, shotgun, finished frame or receiver, or unfinished frame\nor receiver shall:\n (a) engrave, cast, stamp or otherwise conspicuously place both a\nunique serial number and his or her name (or recognized abbreviation) on\nsuch firearm, rifle, shotgun, finished frame or receiver, or unfinished\nframe or receiver, in a manner that satisfies or exceeds the\nrequirements imposed on licensed importers and manufacturers pursuant to\nsection (i) of Section 923 of Title 18 of the United States Code and\nregulations issued pursuant thereto at the time of such assembly; and\n (b) register with the division of criminal justice services in\naccordance with regulations promulgated by such division any such\nfirearm, rifle or shotgun, finished frame or receiver, or unfinished\nframe or receiver.\n Any person licensed as a gunsmith, or required to be, or a dealer in\nfirearms pursuant to section 400.00 of this chapter who fails to comply\nwith the provisions of this section shall be guilty of a class E felony.\n