Communion of Particular Churches and the Universal Church expresses the Catholic mystery in which the one Church of Christ is present in and formed out of particular Churches, while every particular Church exists within and from the prior universal communion.
One Church present in many Churches
A Particular Church is principally a diocese or eparchy: a portion of the People of God entrusted to a bishop with the cooperation of his presbyterate, gathered by the Gospel and Eucharist in the Holy Spirit. It is not an administrative branch that contains only a fraction of the Church's saving gifts. In the local Eucharistic assembly under its bishop, the one, holy, catholic, and apostolic Church is truly present and operative.
Lumen Gentium says that the one Catholic Church exists in and from the particular Churches, while Communionis notio insists on the complementary formula that particular Churches arise within and from the universal Church. Neither formula may be isolated. The universal Church is not a federation created by dioceses that first existed independently, and a particular Church is not a regional office whose ecclesial reality can be reduced to delegated papal administration.[1]
Mutual interiority
Universal and particular communion are the same ecclesial reality viewed under different aspects rather than two organizations occupying separate layers. Through faith and Baptism a person is incorporated immediately into the one Church, though Christian life necessarily occurs in a concrete particular Church. Whoever belongs to one particular Church belongs within the communion of all, so geographic origin never makes a baptized Catholic a stranger at another Catholic altar.
Eucharist and episcopate
Communion among the Churches is rooted in the same apostolic faith and Baptism and above all in the Eucharist and Episcopate. Every legitimate Eucharist is offered in union with the bishop, the episcopal college, and its head. A bishop is the visible principle of unity in his particular Church and a member of the college concerned for all Churches. Eucharistic communion and Hierarchical Communion therefore belong together rather than forming independent networks.[2]
Episcopal authority and Roman primacy
A diocesan or eparchial bishop governs the Church entrusted to him with proper, ordinary, and immediate power, as a vicar and legate of Christ rather than a mere delegate of the pope. His authority remains regulated by supreme ecclesiastical authority for the good of the Church. Episcopal Conferences, councils, synods, metropolitans, patriarchs, and curial institutions assist communion according to distinct powers; none replaces the bishop's office by managerial aggregation.
The Bishop of Rome is the perpetual visible principle and foundation of unity among both bishops and faithful and possesses supreme, full, immediate, and universal power. Primacy is internal to every particular Church because communion with Peter's successor belongs to Catholic identity, not an external treaty among local bodies. At the same time, papal ministry exists to strengthen episcopal authority and legitimate diversity rather than flatten every Church into the customs of Rome.
Legitimate diversity without federation or uniformity
Particular Churches can possess languages, calendars, saints, customs, pastoral circumstances, and particular law. Churches sui iuris add a distinct level of ritual, spiritual, theological, and canonical patrimony and can encompass multiple particular Churches. Diocese, episcopal conference, ecclesiastical province, patriarchal Church, Church sui iuris, and rite must therefore remain distinct. Diversity is Catholic when it serves the one faith, sacraments, governance, and mission in communion.
Two opposite distortions follow from losing the relation. Local self-sufficiency can treat doctrine, liturgy, or discipline as property that a community may redesign apart from universal communion; centralized uniformity can mistake Latin or administrative sameness for Catholic unity. The communion of Churches rejects both. Each Church receives the whole gift of Christ within bonds it did not create, contributes its gifts to all, and remains open to every nation under the universal mission and primacy.[3]
References
- 1.Communionis notio — The Congregation for the Doctrine of the Faith on the universal Church, particular Churches, Eucharist, episcopate, primacy, and ecclesial communion
- 2.Lumen gentium — Vatican II on the one Catholic Church, particular Churches, the episcopal college, hierarchical communion, legitimate diversity, and Roman primacy
- 3.Orientalium Ecclesiarum — Vatican II on the equal dignity, lawful traditions, self-government, hierarchy, discipline, and preservation of the Eastern Catholic Churches