Pie V — Quo Primum Tempore (1570)
Bull promulgating the fixed form of the Tridentine Roman Missal — the Mass of all time.
Formation
23/06/2026
The Institute of Christ the King Sovereign Priest draws its theology from the living Tradition of the Catholic Church. The Magisterium documents below form the doctrinal and liturgical framework within which the Institute’s charism is inscribed.
Bull promulgating the fixed form of the Tridentine Roman Missal — the Mass of all time.
Partial reform of the rubrics of the Roman Missal, 1962 version used by the Institute.
Indult allowing bishops to authorize the celebration of the 1962 Missal in their dioceses.
Motu proprio establishing the Ecclesia Dei Commission to foster reconciliation with Catholics attached to the traditional rite.
Read the text →Motu proprio recognizing the 1962 Missal as the “extraordinary form” of the Roman rite, the fruit of a liturgical heritage worthy of protection.
Read the text →Apostolic exhortation on the holiness of priests, foundational for the Institute’s priestly formation.
Read the text ↗Decree on the ministry and life of priests, read in the light of Tradition.
Read the text →Post-synodal apostolic exhortation on the formation of priests in the circumstances of the present day.
Read the text →Encyclical instituting the feast of Christ the King, whose name the Institute bears.
Read the text →Encyclical on the Christian constitution of states and the social kingship of Christ.
Read the text →Bull defining the dogma of the Immaculate Conception, patroness of the Institute.
Read the text →Encyclical on Saint Francis de Sales, principal patron of the Institute.
Read the text →