; or (2) for an individual who has not attained 21 years of age and is not a qualified individual to possess or own a semiautomatic assault weapon in or affecting interstate or foreign commerce. . (2) Penalties Section 924 of such title is amended— (A) in subsection (a), by adding at the end the following: (8) (A) Whoever knowingly violates section 922(aa)(1) shall be fined not more than $50,000 (or, in the case of the second or a subsequent such offense, not more than $250,000), imprisoned not more than 5 years, or both. (B) Whoever knowingly violates section 922(aa)(2) shall be fined not more than $5,000, imprisoned not more than 5 years, or both. ; and (B) in subsection (d)(1), by striking or (k) and inserting (k), or (aa) . (c) Definitions (1) Semiautomatic assault weapon Section 921(a) of such title is amended by inserting after paragraph (29) the following: (30) The term ‘semiautomatic assault weapon’ means any semiautomatic assault weapon, as defined in section 921(a)(30) of this title, as included in the enactment of the Public Safety and Recreational Firearms Use Protection Act without regard to the repeal of such Act. (31) The term qualified individual means— (A) a member of the Armed Forces on active duty; and (B) a qualified law enforcement officer (as defined in section 926B(c)(1). . (d) Effective date The amendments made by this section shall apply to conduct engaged in after the 90-day period that begins with the date of the enactment of this Act.