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International Earth Rotation and Reference Systems Service

IERS Central Bureau


The Central Bureau is responsible for the general management of the IERS consistent with the directives and policies set by the Directing Board, i.e., acts as the executive arm of the Directing Board. The CB facilitates communications, coordinates activities, monitors operations, maintains documentation, archives products and relevant information and organizes reports, meetings and workshops.

Web site:


Main products:

IERS Annual Reports
IERS Technical Notes
IERS Messages

For more details about the tasks, please consult the Terms of Reference and the Call for Participation in the new IERS.