Tau Ceti Accords
The Tau Ceti Accords were a set of treaties between  and Andoria. 

The Accords prohibited an Andorian presence on Coridan, which was violated by an Andorian Imperial Guard team led by Thy'lek Shran in 2151. ()

de:Tau-Ceti-Abkommen
nl:Tau Ceti akkoorden
Treaties