The United Nations Charter provides that the staff to be chosen by application of the "highest standards of efficiency, competence, and integrity," with due regard for the importance of recruiting on a wide geographical basis.
Piagam PBB menjelaskan bahwa staf yang akan dipilih oleh penerapan "standar tertinggi efisiensi, kompetensi, dan integritas," dengan memperhatikan pentingnya merekrut luas secara geografis.