; or engaged in conduct punishable under sections 1951, 1952, 1956, and 1957 of title 18 of the United States Code; (vii) engaged in conduct punishable under sections 2312 through 2315 of title 18 of the United States Code; or (viii) attempted to engage in an offense described in clauses (i) through (viii) above, or engaged in conduct punishable under sections 2 through 4, and sections 371 through 373 of title 18 of the United States Code in furtherance of such an offense. (3) Deemed to have admitted An alien shall be deemed to have admitted the essential elements of an offense within the meaning of paragraph (2)(C) upon an oral or written statement to such effect, or upon a conviction or formal finding by a competent Federal, State or local court, tribunal or military proceeding that said person has engaged in unlawful conduct whose essential elements include those that would be required for conviction of a disqualifying offense. . 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.