secretariat
n. countablen. the office or group of people that handles the daily business and paperwork for a large organization. It is the administrative heart of a group like the United Nations.
n. the administrative department or office responsible for the daily operations and record-keeping of a governmental, international, or professional organization.
The secretariat manages all the official documents.
The international committee relies on its permanent secretariat to organize meetings and distribute reports to member states.
While the political leaders set the agenda, the secretariat ensures the continuity of the organization by maintaining archives and coordinating logistical support across multiple continents.
Often used with a definite article ('the secretariat') when referring to the specific administrative body of a known organization.