OCHA serves as the INSARAG Secretariat and is mandated to support national authorities in the coordination of international assistance in disasters and humanitarian crises exceeding the capacity of the affected country.

OCHA 承担 INSARAG 秘书处的职能，被授权支持当地政府协调灾难国际响应，以及处理受灾国无法处理的人道主义危机的能力。