; and (2) by adding at the end the following: (2) Whoever, having accepted an offer to transfer ownership of a firearm using a commercial marketplace of a licensed facilitator in order to complete a firearm transaction as described in paragraph (1) of this subsection, knowingly transfers the firearm to a person not licensed under this chapter without a licensed importer, licensed manufacturer, or licensed dealer first taking possession of the firearm for the purpose of complying with section 922(t), shall be fined under this title, imprisoned not more than 1 year, or both, except that if transfer to, or receipt of the firearm by the transferee violates subsection (d), (g), or (n) of section 922, or the firearm is used to commit a crime of violence (as defined in section (c)(3) of this section) or drug trafficking crime (as defined in subsection (c)(2) of this section), the transferor shall be fined under this title, imprisoned not more than 10 years, or both. . (d) Conforming amendments (1) Section 922 of such title is amended— (A) in subsection (a)(1)— (i) by striking or at the end of subparagraph (A); (ii) by adding or at the end of subparagraph (B); and (iii) by adding at the end the following: (C) except a licensed facilitator, to engage in the business of hosting a commercial marketplace in which offers for firearms sales, purchases, or other transfers are allowed to be made; ; (B) in subsection (a)(6)— (i) by striking or licensed collector and inserting licensed collector, or licensed facilitator ; and (ii) by striking or collector and inserting collector, or facilitator ; and (C) in subsection (m), by striking or licensed collector and inserting licensed collector, or licensed facilitator . (2) Section 923 of such title is amended— (A) in the 1st sentence of subsection (c), by inserting or facilitate firearm sales, purchases or other transfers before during the period stated in the license