WASHINGTON ( CNN ) -- The U.S. Treasury Department on Tuesday froze the U.S. assets of eight members of the Revolutionary Armed Forces of Colombia , or FARC , which it has deemed a narco-terrorist organization . The Treasury 's action , termed a `` designation , '' also prohibited Americans from conducting business with FARC . `` Today 's designation exposes eight 'International Commission members ' of the FARC , '' said Adam Szubin , director of Treasury 's Office of Foreign Assets Control . `` Through their service to the FARC as international representatives and negotiators , these persons provide material support to a narco-terrorist organization . '' The organization , comprised of Colombian leftist rebels , is best known as FARC , its Spanish acronym . The eight in Tuesday 's designation represent the FARC in Argentina , Chile , Uruguay , Paraguay , Brazil , Peru , Ecuador , Venezuela , Panama , Mexico and Canada , the Treasury Department alleged . `` As representatives of the FARC and members of its International Commission , these individuals work abroad to obtain recruits , support and protection for the FARC 's acts of terrorism , '' the department said in a written statement . `` Some are also themselves violent criminals . '' One , Jairo Alfonse Lesmes Bulla , was arrested in August for allegedly plotting the assassinations of some South American officials , Treasury said . Bulla represents FARC in Argentina , Chile , Uruguay and Paraguay , according to the department . Another , Orlay Jurado Palomino , who represents FARC in Venezuela , is wanted in Colombia on charges of kidnapping , rebellion and terrorism , the department said . And Francisco Antonio Cadena Collazos , who represents FARC in Brazil , was arrested in August 2005 at the request of Colombia on charges of rebellion , the Treasury statement said . A fourth , Nubia Calderon de Trujillo , was recently granted asylum by Nicaragua , the department said . The other four are Ovidio Salinas Perez ; Jorge Davalos Torres ; Efrain Pablo Rejo Freire ; and Liliana Lopez Palacios , according to the Treasury statement .
Treasury Department targets members of Colombia rebel group . The group , known as FARC , has been deemed a narco-terrorist organization . Comment: