What is “Full Communion With the Catholic Church”?

RCcommunion

Introduction

When people become Catholic they often describe it as “coming into full communion with the Catholic Church.” That might sound like an obtuse description of the event, but it is actually both accurate and important in its details. This is because Catholics consider all validly baptized Christians to be “in the Church” even if they are not members of the Catholic Church. In fact, to whatever degree a given Christian group affirms the truths of the faith, to that degree it can be considered “in communion” with the Catholic Church. Thus, a validly baptized Christian who becomes Catholic is actually moving from partial to full communion – not “converting” (talk of “conversion” should technically be reserved for non-Christians becoming Catholics).

This viewpoint has ramifications for several other considerations as well, and an understanding of partial and full communion will clear up much confusion.

Communion

The Greek word for “communion” is κοινωνία (tr. koinonia). It appears in 43 verses of the New Testament. It means “sharing” or “fellowship” as can be seen in several examples. It is probably best exemplified in the communal life of the believers described in Acts 2:42. Likewise, we also find the term related to the Eucharist (aka communion) in 1 Corinthians 10:16. Thus, the term is closely related to the very idea of the Church – people called to God’s community of faith.

As stated in the Nicene Creed, there is only one Church. The Church that Jesus Christ founded was founded on Jesus’ apostles (Mt. 16-18) and built from people united to Jesus’ apostles or their successors (Eph. 2:20; 1 Timothy 1:6, 4:14, 5:22 ). So long as one is validly baptized, he is part of this one Church (Eph. 4:5) even if not in perfect communion with it because the Church is Christ’s body (1 Cor. 12:27) – not a bunch of body parts - and Christ cannot be divided (1 Cor. 1:13).

This, however, did not stop Christians from making in-house distinctions (Rom. 14:2-3) as well as illicit divisions (1 Cor. 1:12). The latter occurred when one departs from the faith  (apostasy  - 1 John 2:19), knowingly commits to serious doctrinal error (heresy - 2 Pet. 2:1), or refuses submission to the authority of the Church (schism - 1 Cor. 1:10), or breaks unity over secondary issues (disputes - Titus 3:10). Depending on which of these wounds to unity are at work, the resultant communion relationship is altered. For the Catholic, only total apostasy breaks communion 100%.

Where there are sins, there are also divisions, schisms, heresies, and disputes. Where there is virtue, however, there also are harmony and unity, from which arise the one heart and one soul of all believers. (Origen, Hom. in Ezech. 9)

Catholicism sees itself as encompassing the One, Holy, Catholic, and Apostolic Church. This does not mean, however, that non-Catholics are completely outside her boundaries. Because communion with the Catholic Church is based on baptism, and at least some elements of Christian faith are held in common among all legitimate Christian groups, their validly baptized members are considered to be in partial communion with the Catholic Church. Thus, even Protestants are considered in partial communion and therefore individual Protestants are not necessarily outside the Catholic Church.

Baptism constitutes the foundation of communion among all Christians, including those who are not yet in full communion with the Catholic Church: ‘For men who believe in Christ and have been properly baptized are put in some, though imperfect, communion with the Catholic Church. Justified by faith in Baptism, [they] are incorporated into Christ; they therefore have a right to be called Christians, and with good reason are accepted as brothers by the children of the Catholic Church.’ Baptism therefore constitutes the sacramental bond of unity existing among all who through it are reborn. (CCC 1271)

So it is that when a Christian becomes Catholic the Church sees them as moving from partial to full communion, because even as non-members they were already part of the Church.

Salvation

These distinctions also help explain the Catholic Church’s view of salvation. Because the Catholic Church distinguishes between full and partial communion, non-Catholics are not automatically “outside the Church.” Thus, the fearsome statement that “Outside the Church there is no salvation” does not simply apply across the board to all non-Catholics.

Salvation is not limited to members of the Catholic Church, nor even to those in communion with her because God is not limited in his abilities to reach people, even when they lie outside his normative means. Thus,Gaudium Et Spes (also from Vatican 2) said that, “since Christ died for all men, and since the ultimate vocation of man is in fact one, and divine, we ought to believe that the Holy Spirit in a manner known only to God offers to every man the possibility of being associated with this paschal mystery.”

However, partial communion is not equivalent to some “mere Christianity” that is based only on areas of complete agreement. A group on the fringe of communion with the Church may indeed partake in God’s grace by reading Scripture or through prayer – but these alone may not be sufficient for true salvation. A good example of this might be some heretical Christian sects. Even the grace of having God’s word before them is not a guarantee of salvation due to their distorted understanding of the Scripture.

Basing itself on Scripture and Tradition, the Council teaches that the Church, a pilgrim now on earth, is necessary for salvation: the one Christ is the mediator and the way of salvation; he is present to us in his body which is the Church. He himself explicitly asserted the necessity of faith and baptism, and thereby affirmed at the same time the necessity of the Church which men enter through baptism as through a door. Hence they could not be saved who, knowing that the Catholic Church was founded as necessary by God through Christ, would refuse either to enter it or to remain in it. (CCC 846)

Anathema

The anathemas pronounced at the Council of Trent against Protestants must also be understood given the above distinctions. Trent was dealing with Catholics who were protesting Catholic doctrine (heretics / schismatics) – not people who were raised Protestant. The anathemas pronounced declared that Catholics who rejected Catholic dogma were no longer Catholic, because by their actions they were rejecting the Church. Trent’s anathemas would not apply to a Protestant today unless one was a Catholic who had become Protestant by knowingly rejecting the Catholic Church. In other words, it requires an informed will, not just circumstances:

This affirmation [CCC 846 above] is not aimed at those who, through no fault of their own, do not know Christ and his Church: Those who, through no fault of their own, do not know the Gospel of Christ or his Church, but who nevertheless seek God with a sincere heart, and, moved by grace, try in their actions to do his will as they know it through the dictates of their conscience—those too may achieve eternal salvation. (CCC 847)

Although most clearly stated at Vatican 2, the council did not invent a new interpretation of “no salvation outside the Church” as it is often claimed. We see seeds of such a view in Scripture (e.g., Acts 10:34-35; Rom. 10:14-18) as well as the teaching of early Church Fathers like Justin Martyr. Further, Thomas Aquinas asserted the possibility of receiving grace in extraordinary ways (e.g.. “baptism of desire”). Finally the extreme Jansenist understanding of this teaching was rejected by Pope Pius V and at least one pre-Vatican 2 priest (Fr. Leonard Feeney) was excommunicated for holding an extreme view. Many doctrinal issues take time to formulate or clarify, and the statement “no salvation outside the Church” is no different.

Unity

The fact of partial communion does not mean that all is well, however. Jesus, Paul, and Peter were quite clear that unity is a non-negotiable in the Christian life. Thus, to the degree that these groups have caused disunity in the body of Christ, they are in sin and missing out on the fulness of the faith. This is why the Catholic Church continues to strive for ecumenical dialog (in the best sense), rather than making allowances for division or (worse) raise separation to a virtue. It is also why legitimate diversity is permitted and encouraged to enrich the faith. Groups in full communion with the Catholic Church are not dividing it. Rather, each is forming the one Catholic Church for its own region or culture.

The unity of the pilgrim Church is also assured by visible bonds of communion: profession of one faith received from the Apostles; common celebration of divine worship, especially of the sacraments; apostolic succession through the sacrament of Holy Orders, maintaining the fraternal concord of God’s family. (CCC 815)

Finally, because it is through Christ’s Church that the fullness of the means of salvation can be obtained, many significant elements in the life to the Church may be missed by those outside her visible boundaries – but many do exist. It follows that although these separated communities are deficient or even distorted, they retain some measure of grace (often quite a bit). Thus, while the Catholic Church does not consider herself in complete disunity with those who have separated from her in one way or another, the wounds to unity are not simply accepted as legitimate visible variations in an otherwise singular, invisible Church (as opposed to “Branch Theory“).

Conclusion

The idea of partial communion helps explain why the Catholic Church can at once believe that salvation is not found outside herself, and yet extend the possibility of salvation to non-Catholic (and even non-Christian) groups and individual persons. God’s offer of salvation is far richer, though, than a mere “Get-Out-of-Hell-Free Card,” as his will for his people is far more grand than an eternal change of location. So, while the fullness of the faith with all the graces available to mankind is only found in God’s Church, this does not mean that none are found elsewhere.

Even in the beginnings of this one and only Church of God there arose certain rifts, which the Apostle strongly condemned. But in subsequent centuries much more serious dissensions made their appearance and quite large communities came to be separated from full communion with the Catholic Church – for which, often enough, men of both sides were to blame. The children who are born into these Communities and who grow up believing in Christ cannot be accused of the sin involved in the separation, and the Catholic Church embraces upon them as brothers, with respect and affection. For men who believe in Christ and have been truly baptized are in communion with the Catholic Church even though this communion is imperfect. The differences that exist in varying degrees between them and the Catholic Church – whether in doctrine and sometimes in discipline, or concerning the structure of the Church – do indeed create many obstacles, sometimes serious ones, to full ecclesiastical communion. The ecumenical movement is striving to overcome these obstacles. But even in spite of them it remains true that all who have been justified by faith in Baptism are members of Christ’s body,and have a right to be called Christian, and so are correctly accepted as brothers by the children of the Catholic Church. (Decree on Ecumenism, Second Vatican Council, 3)


*A note on the chart and examples: I strove for simplicity on this chart, but it quickly got complicated (and could be much more complicated). I settled for illustrating the most general, high-level distinctions of importance for this topic, namely what the Catholic Church sees as dividing line types between the major categories of religious groups. I also included some examples of groups that fit those categories from the Catholic point of view. Because the Catholic “partial communion” line is drawn at valid Christian baptism, any groups who do not validly baptize – or whose doctrine is unacceptably unorthodox - will be outside that box.

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5 thoughts on “What is “Full Communion With the Catholic Church”?

  1. As always, well written Doug. Just a question for clarification: you mention “valid baptism” multiple times, can you clarify the difference between “valid baptism” and just “baptism” [invalid baptism?]? I’m pretty sure I know what you’re going for, but it may be good to see you explain that. Maybe for a completely different blog post? :)

  2. Lanny,

    Ah yes, very good question. Because “baptism” is a generic word that can even refer to a non-Christian rite, it can also refer to an action that might appear to be a Christian baptism but which is actually deficient to the point where it becomes invalid. Without going into arguments or preferences, the basics of a valid baptism are as such:

    The conditions for a valid Christian baptism consist of the material which is water (i.e., one may not be baptized in milk or glitter) and the formal which is the speaking of the trinitarian formula “I baptize you in the name of the Father, and of the Son, and of the Holy Spirit.”

    The action for a valid Christian baptism is either immersion (dunking in water), infusion (pouring water over the head), or aspersion (sprinkling with water).

    The administrator of a valid Christian baptism are ordinarily either a bishop or a priest, but extraordinarily may be any person (even an unbaptized unbeliever) whose intent is to “do what the Church does when she baptizes.”

    That’s basically it!

  3. Pingback: Whether Mormons are Christians? | Agellius's Blog

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