; and (B) does not include a firearm that has been rendered permanently inoperable. . (2) Prohibition; requirements Section 922 of title 18, United States Code, is amended by adding at the end the following: (aa) Untraceable firearms (1) Manufacture, sale, offer to sell, transfer, purchase, or receipt of ghost guns (A) In general Except as provided in subparagraph (B), it shall be unlawful for any person to manufacture, sell, offer to sell, transfer, purchase, or receive a ghost gun in or affecting interstate or foreign commerce. (B) Exceptions Subparagraph (A) shall not apply to— (i) the manufacture of a firearm by a licensed manufacturer if the licensed manufacturer complies with section 923(i) before selling or transferring the firearm to another person; (ii) the offer to sell, sale, or transfer of a firearm to, or purchase or receipt of a firearm by, a licensed manufacturer or importer before the date that is 1 year after the date of enactment of this subsection; or (iii) a transaction between a licensed manufacturer and a licensed importer on any date. (2) Serial numbers It shall be unlawful for a person other than a licensed manufacturer or importer to engrave or cast a serial number on a firearm in or affecting interstate or foreign commerce. (3) Possession of ghost gun with intent to sell, transfer, or manufacture Beginning on the date that is 1 year after the date of enactment of this subsection, it shall be unlawful for any person other than a licensed manufacturer or importer to possess a ghost gun in or affecting interstate or foreign commerce with the intent to— (A) sell or transfer the ghost gun with or without further manufacturing