; or (B) is or has ever been a member, associate or affiliate of, or who has ever provided material support to, a criminal street gang as defined in section 520 of title 18 of the United States Code. . 6. Effective date and application The amendments made by this Act shall take effect on the date of the enactment, shall apply to any act that occurred before, on, or after the date of enactment, and shall apply to any application for naturalization or any other benefit or relief, or any other case or matter under the immigration laws pending on or filed after the date of enactment of this Act.