Episcopal polity Apostle. Currently the bishops of the Assyrian Church of the East continue to maintain its apostolic succession. Anglicanism is the most prominent of the Reformation traditions to lay claim to the historic episcopate through apostolic succession in terms comparable to the various Roman Catholic and Orthodox Communions. Anglicans assert unbroken episcopal succession in and through the Church of England back to St. Augustine of Canterbury and to the first century Roman province of Britannia. While some Celtic Christian practices were changed at the Synod of Whitby, the church in the British Isles was under papal authority from earliest times. The
Episcopal conference the conference must achieve a two-thirds majority and seek the "recognitio", that is, recognition of approval, of the Holy See, which they will not receive if the majority "is not substantial". In the 2013 apostolic exhortation, "Evangelii Gaudium", Pope Francis expressed his concern that the intent of the Second Vatican Council, which would give episcopal conferences "genuine doctrinal authority, has not yet been sufficiently elaborated." On September 9, 2017, Pope Francis modified canon law, granting episcopal conferences specific authority "to faithfully prepare … approve and publish the liturgical books for the regions for which they are responsible after the confirmation