; (B) require all prospective firearm sellers to so complete all firearms sales, purchases, or other transfers; and (C) maintain records of any such sale, purchase, or other transfer which shall include the date of the offer, the name of the offeror, and the name and the licensee number of the licensee that will take possession of the firearm directly from the transferor, and the model, serial number, type, and caliber or gauge of the firearm involved. (2) A licensed facilitator may require, as a condition of using its commercial marketplace, that, before offering a firearm for sale, a prospective seller identify a licensed dealer that will take possession of the firearm and complete the sale. (3) On taking possession of a firearm sold, purchased, or otherwise transferred in such a commercial marketplace, a licensee shall comply with all requirements of this chapter as if the licensee were transferring the firearm from the inventory of the licensee to the unlicensed transferee. . (c) Liability Section 924(h) of such title is amended— (1) by inserting (1) before Whoever