; and (B) impose on the licensee a civil fine of not more than— (i) in the case of a first violation, $5,000; (ii) in the case of a second violation, $25,000; and (iii) in the case of any subsequent violation, $100,000. (6) Neither a local government nor an employee of the Federal Government or of any State or local government responsible for providing information to the national instant criminal background check system shall be liable in an action at law for damages— (A) for failure to prevent the sale or transfer of ammunition to a person whose receipt or possession of the ammunition is unlawful under this section; or (B) for preventing such a sale or transfer to a person who may lawfully receive or possess ammunition. . (2) Regulations relating to retention and destruction of records in system In promulgating regulations to carry out section 922(v)(2)(C) of title 18, United States Code, as added by this Act, the Attorney General shall ensure that the records described in that subsection are destroyed not later than 3 business days after the date on which a licensee is notified that a transfer of ammunition may proceed under that subsection. (3) Conforming amendments (A) Title 18 Section 922 of title 18, United States Code, is amended— (i) in subsection (c)— (I) in the matter preceding paragraph (1), by inserting or ammunition after sell a firearm ; (II) in paragraph (1)— (aa) by inserting or ammunition after a firearm ; (bb) by inserting or ammunition after this firearm ; and (cc) by inserting or ammunition after the firearm ; and (III) in paragraph (2), by inserting or ammunition after firearm each place it appears