; (2) in subsection (a)(4), by striking (A) and all that follows through for the and inserting intended for the lawful ; and (3) by striking subsections (d) through (f) and inserting the following: (d) (1) Within 30 days after the Attorney General receives an application therefor, the Attorney General shall authorize a firearm or ammunition to be imported or brought into the United States or any possession thereof if— (A) the firearm or ammunition is being imported or brought in for scientific, research, testing, or experimentation purposes; (B) the firearm is an unserviceable firearm (other than a machine gun as defined in section 5845(b) of the Internal Revenue Code of 1986 that is readily restorable to firing condition) imported or brought in as a curio or museum piece; (C) the firearm is not a firearm as defined in section 5845(a) of the Internal Revenue Code of 1986; (D) the ammunition is not armor piercing ammunition (as defined in section 921(a)(17)(B) of this title), unless subparagraph (A), (E), (F), or (G) applies; (E) the firearm or ammunition is being imported or brought in for the use of the United States, any department or agency of the United States, any State, or any department, agency, or political subdivision of a State; (F) the firearm or ammunition is being imported or brought in for the purpose of exportation; (G) the firearm or ammunition was previously taken out of the United States or a possession thereof by the person who is bringing in the firearm or ammunition