; and (iii) whose members engage in criminal activity or acts of juvenile delinquency that if committed by an adult would be crimes with the intent to enhance or preserve the association's power, reputation or economic resources. (B) The association may also possess some of the following characteristics: (i) The members may employ rules for joining and operating within the association. (ii) The members may meet on a recurring basis. (iii) The association may provide physical protection of its members from others. (iv) The association may seek to exercise control over a particular geographic location or region, or it may simply defend its perceived interests against rivals. (v) The association may have an identifiable structure. (C) The offenses described, whether in violation of Federal or State law or foreign law and regardless of whether the offenses occurred before, on, or after the date of the enactment of this paragraph, are the following: (i) A felony drug offense (as defined in section 102 of the Controlled Substances Act ( 21 U.S.C. 802 )). (ii) A felony offense involving firearms or explosives or in violation of section 931 of title 18, United States Code (relating to purchase, ownership, or possession of body armor by violent felons). (iii) An offense under section 274 (relating to bringing in and harboring certain aliens), section 277 (relating to aiding or assisting certain aliens to enter the United States), or section 278 (relating to importation of alien for immoral purpose), except that this clause does not apply in the case of an organization described in section 501(c)(3) of the Internal Revenue Code of 1986 ( 26 U.S.C. 501(c)(3) ) which is exempt from taxation under section 501(a) of such Code. (iv) A violent crime described in section 101(a)(43)(F). (v) A crime involving obstruction of justice, tampering with or retaliating against a witness, victim, or informant, or perjury or subornation of perjury. (vi) Any conduct punishable under sections 1028A and 1029 of title 18, United States Code