[The Introductory Note was prepared for International Legal Materials by Heidi V. Jimenez, Acting General Counsel, Pan American Health Organization. The integrated text of the Charter of the Organization of American States, as amended by the Protocol of Buenos Aires in 1967 and by the Protocol of Cartagena de Indias in 1985, is reproduced from OAS Treaty Series No. 1-E, OEA/Ser. A/2 (English) Rev. 3 provided by the General Secretariat of the Organization of American States. The Protocol of Washington and the Protocol of Managua further amending the Charter of the Organization of American States are also reproduced from texts provided by the General Secretariat of the Organization of American States.

[The text of the Protocol of Buenos Aires, OEA/Ser.E/XIV.l, Doc 11 (English) Rev. 5, signed on February 27, 1967, appears at 6 I.L.M. 310 (1967). A resolution adopted at Buenos Aires on the measures to be taken pending entry into force of the Protocol appears at 6 I.L.M. 356 (1967). The text of the Protocol of Cartagena de Indias, OEA/Ser.P, AG/doc. 16 (XIV-E/85) Rev. 2, adopted December 5, 1985, and an Introductory Note prepared by Domingo E. Acevedo appear at 25 I.L.M. 527 (1986). Statements made by the delegations of Peru and Ecuador at the time of signing appear at 25 I.L.M. 542 (1986).]