International Earth Rotation and Reference Systems Service
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The International Earth Rotation Service is the body responsible for deciding when to issue leap seconds.
- more to come
External references:
- IERS site: http://www.iers.org
- IERS Bulletin, where leap seconds are announced: http://www.iers.org/iers/publications/bulletins/bull_c/
- IERS Archive, to view old announcements: http://www.iers.org/iers/earth/rotation/utc/table2.html