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a. The outcome of the movement promoted by Mons. Lefebvre can and must be, for all the Catholic faithful, a motive for sincere reflection concerning their own fidelity to the Church's Tradition, authentically interpreted by the ecclesiastical Magisterium, ordinary and extraordinary, especially in the Ecumenical Councils from Nicaea to Vatican II. From this reflection all should draw a renewed and efficacious conviction of the necessity of strengthening still more their fidelity by rejecting erroneous interpretations and arbitrary and unauthorised applications in matters of doctrine, liturgy and discipline. To the bishops especially it pertains, by reason of their pastoral mission, to exercise the important duty of a clear-sighted vigilance full of charity and firmness, so that this fidelity may be everywhere safeguarded. However, it is necessary that all the Pastors and the other faithful have a new awareness, not only of the lawfulness but also of the richness for the Church of a diversity of charisms, traditions of spirituality and apostolate, which also constitutes the beauty of unity in variety of that blended "harmony" which the earthly Church raises up to Heaven under the impulse of the Holy Spirit.
b. Moreover, I should like to remind theologians and other experts in the ecclesiastical sciences that they should feel called upon to answer in the present circumstances. Indeed, the extent and depth of the teaching of the Second Vatican Council call for a renewed commitment to deeper study in order to reveal clearly the Council's continuity with Tradition, especially in points of doctrine which, perhaps because they are new, have not yet been well understood by some sections of the Church.
c. In the present circumstances I wish especially to make an appeal both solemn and heartfelt, paternal and fraternal, to all those who until now have been linked in various ways to the movement of Archbishop Lefebvre, that they may fulfil the grave duty of remaining united to the Vicar of Christ in the unity of the Catholic Church, and of ceasing their support in any way for that movement. Everyone should be aware that formal adherence to the schism is a grave offence against God and carries the penalty of excommunication decreed by the Church's law. To all those Catholic faithful who feel attached to some previous liturgical and disciplinary forms of the Latin tradition I wish to manifest my will to facilitate their ecclesial communion by means of the necessary measures to guarantee respect for their rightful aspirations. In this matter I ask for the support of the bishops and of all those engaged in the pastoral ministry in the Church.
a. Commission is instituted whose task it will be to collaborate with the bishops, with the Departments of the Roman Curia and with the circles concerned, for the purpose of facilitating full ecclesial communion of priests, seminarians, religious communities or individuals until now linked in various ways with the Fraternity founded by Mons. Lefebvre, who may wish to remain united to the Successor of Peter in the Catholic Church, while preserving their spiritual and liturgical traditions, in the light of the Protocol signed on 5 May last by Cardinal Ratzinger and Mons. Lefebvre;
b. this Commission is composed of a Cardinal President and other members of the Roman Curia, in a number that will be deemed opportune according to the circumstances;
c. moreover, respect must everywhere be shown for the feelings of all those who are attached to the Latin liturgical tradition, by a wide and generous application of the directives already issued some time ago by the Apostolic See, for the use of the Roman Missal according to the typical edition of 1962...
Given at Rome, at St. Peter's; 2 July 1988, the tenth year of the pontificate.