General Standards to Govern the Operations of the General Secretariat of the Organization of American States; Approved at the Third General Session of the General Assembly, Resolution AG/RES. 123 (III-0/73) and Modified at the Sixth Regular Session of the General Assembly, Resolutions AG/RES. 248, 249, 256 and 257 (VI-0/76), Rev.2-AG/RES. 301 (VII-0/77).