; (B) in the case of a second such violation by the violator, $2,000 multiplied by the number of semiautomatic pistols involved in the violation; or (C) in the case of a third such violation by the violator, $3,000 multiplied by the number of semiautomatic pistols involved in the violation. . 3. Prohibition on the removal, obliteration, or alteration of the microstamped code or microstamping capability of a firearm (a) In general Section 922 of title 18, United States Code, is amended by inserting after subsection (t) the following: (v) (1) It shall be unlawful for any person to remove, obliterate, or alter the microstamped code or microstamping capability of a firearm that has been shipped or transported in interstate or foreign commerce. (2) Paragraph (1) shall not apply to the replacement of a firing pin that is damaged or worn, and is in need of replacement. . (b) Penalties Section 924 of such title is amended by adding at the end the following: (q) (1) (A) In the case of a knowing violation of section 922(v), the Attorney General may, after notice and opportunity for hearing— (i) subject the violator to a civil penalty in an amount equal to not more than $5,000; and (ii) if the violator is a licensed manufacturer, licensed importer, or licensed dealer, suspend for not more than 6 months, or revoke, any license issued to the licensee under this chapter. (B) An action under subparagraph (A) may be reviewed only as provided under section 923(f). (2) The suspension or revocation of a license or the imposition of a civil penalty under paragraph (1) shall not preclude any administrative remedy that is otherwise available to the Attorney General. . 4. Effective date The amendments made by this Act shall take effect on the date that is 2 years after the date of the enactment of this Act.