This report provides an overview of U.S. assistance before the Plan Colombia proposal, describes the Clinton Administration Plan Colombia proposal, and tracks Congressional action on it. It also covers the Bush Administration’s Andean Regional Initiative (ARI), which incorporated the Bush Administration’s Andean Counterdrug Initiative (ACI). Table 3 provides a breakdown of the ARI by country, purpose, and account. Table 1 provides an overview of U.S. assistance from FY1999-FY2001, and Table 2 provides an overview of Plan Colombia funding for Colombia and the Status of the commitment of funds provided in the State Department sections of P.L. 106-246, as of the spring of 2001. Tables 4 and 5 compare in detail the Clinton Administration’s Plan Colombia proposal with House, Senate, and conference action on it, and Table 6 charts U.S. assistance from FY1989-FY1998.