2. The Holy Catholic Church, which is the Mystical Body of Christ, is made up of the faithful who are organically united in the Holy Spirit by the same faith, the same sacraments and the same government and who, combining together into various groups which are held together by a hierarchy, form separate Churches or Rites. Between these there exists an admirable bond of union, such that the variety within the Church in no way harms its unity; rather it manifests it, for it is the mind of the Catholic Church that each individual Church or Rite should retain its traditions whole and entire and likewise that it should adapt its way of life to the different needs of time and place.2

3. These individual Churches, whether of the East or the West, although they differ somewhat among themselves in rite (to use the current phrase), that is, in liturgy, ecclesiastical discipline, and spiritual heritage, are, nevertheless, each as much as the others, entrusted to the pastoral government of the Roman Pontiff, the divinely appointed successor of St. Peter in primacy over the universal Church. They are consequently of equal dignity, so that none of them is superior to the others as regards rite and they enjoy the same rights and are under the same obligations, also in respect of preaching the Gospel to the whole world (cf. Mark 16, 15) under the guidance of the Roman Pontiff.

4. Means should be taken therefore in every part of the world for the protection and advancement of all the individual Churches and, to this end, there should be established parishes and a special hierarchy where the spiritual good of the faithful demands it. The hierarchs of the different individual Churches with jurisdiction in one and the same territory should, by taking common counsel in regular meetings, strive to promote unity of action and with common endeavor to sustain common tasks, so as better to further the good of religion and to safeguard more effectively the ordered way of life of the clergy.3

All clerics and those aspiring to sacred Orders should be instructed in the rites and especially in the practical norms that must be applied in interritual questions. The laity, too, should be taught as part of its catechetical education about rites and their rules.

Finally, each and every Catholic, as also the baptized of every non-Catholic church or denomination who enters into the fullness of the Catholic communion, must retain his own rite wherever he is, must cherish it and observe it to the best of his ability ⁴, without prejudice to the right in special cases of persons. communities or areas, of recourse to the Apostolic See, which, as the supreme judge of interchurch relations, will, acting itself or through other authorities, meet the needs of the occasion in an ecumenical spirit, by the issuance of opportune directives, decrees or rescripts.