Episcopal Church (United States) into nine provinces. Each province has a synod and a mission budget, but it has no authority over its member dioceses. There are 110 dioceses in the United States, Colombia, the Dominican Republic, Ecuador, Haiti, Honduras, Puerto Rico, Taiwan, Venezuela and the Virgin Islands. The Convocation of Episcopal Churches in Europe and the Navajoland Area Mission are jurisdictions similar to a diocese. The Presiding Bishop is one of three Anglican primates who together exercise metropolitan jurisdiction over the Episcopal Church of Cuba, which is an extraprovincial diocese in the Anglican Communion. The National Cathedral is the seat of the Presiding
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