Tau Ceti Accords

The Tau Ceti Accords was a peace treaty signed between the Confederacy of Vulcan and the Andorian Empire after 2151. One of the provisions of the treaty was that the Andorians were not to have any presence on Coridan.

Commander Shran of the Andorian Imperial Guard violated the Accords on 2151. (ENT novel: Shadows of P'Jem)