What You Need to Know About U.S. Sanctions Against Drug Traffickers: An Overview of the Foreign Narcotics Kingpin Designation Act (21 U.S.C.§ 1901-1908, 8 U.S.C. §1182) and Executive Order 12978 of October 21, 1995 [open pdf - 277KB]
Signed into law on December 3, 1999, the President signed into law the Foreign Narcotics Kingpin Designation Act (the "Kingpin Act"), which serves to block all property and interests in property subject to U.S. jurisdiction of foreign persons designated by the Secretary of the Treasury to materially assist or play a role in international narcotics trafficking. Foreign persons designated under the Kingpin Act are referred to as "Blocked Persons" to be held responsible under Executive Order 12978. This document also lists the penalties designated in the guidelines of these sanctions, as well as identifying foreign persons as significant foreign narcotics traffickers under the Kingpin Act.
United States Department of the Treasury, Office of Foreign Assets Control, http://www.treas.goc/ofac/