Episcopal see of the Roman Catholic Church. The Western Church and its Eastern Catholic counterparts all reserve some level of autonomy, yet each also is subdivided into smaller sees (dioceses and archdioceses). The episcopal see of the Pope, the Bishop of Rome, is known as "the Holy See" or "the Apostolic See", claiming Papal supremacy. The Eastern Orthodox Church views all bishops as sacramentally equal, and in principle holding equal authority, each over his own see. Certain bishops may be granted additional administrative duties over wider regions (as in the idea of the Pentarchy), but these powers are limited and never extend
Episcopal conference of episcopal conferences are currently governed by the 1983 Code of Canon Law (see especially canons 447-459) In addition, there are assemblies of bishops which include the bishops of different rites in a nation, both Eastern Catholic and Latin Catholic; these are described in canon 322 §2 of the Code of Canons of the Eastern Churches. The nature of episcopal conferences, and their magisterial authority in particular, was subsequently clarified by Pope John Paul II in his 1998 "motu proprio", "Apostolos suos", which stated that the declarations of such conferences "constitute authentic magisterium" when approved unanimously by the conference; otherwise