Church Statute of Prince Vladimir

Church Statute of Prince Volodimir is a source of church law in Old Rus', defined legal authority of church and legal status of clergy by the state: prince (knyaz) and his administration. Vladimir's Statute was a short legal code, regulated relationship between the church and the state, including demarcation of jurisdiction between church and princely courts, and defined index of persons and organizations within the church jurisdiction.

Source: Wikipedia — Church Statute of Prince Vladimir (CC BY-SA 4.0)