if the violator or the person in control of the premises knew or should have known that there was an unsecured firearm on the premises, in a court of competent jurisdiction, for compensatory and punitive damages, injunctive and declaratory relief, and such other relief as the court deems appropriate. (ii) Joint and several liability In an action described in clause (i), the liability of all defendants shall be joint and several. (iii) Rule of interpretation For purposes of any determination of liability covered by any contract of insurance entered into after the date of the enactment of this subparagraph, a violation of subparagraph (A) shall not solely be considered an intentional action. (iv) No effect on State law This subparagraph shall not be interpreted to preempt, supplant, or displace any claim brought under State statutory law or common law. . (b) Penalties Section 924 of such title is amended by adding at the end the following: (q) With respect to a violation of section 922(z), the Attorney General shall, after notice and opportunity for a hearing— (1) (A) in the case of a 1st violation, subject the person to a civil money penalty of not more than $1,000