カトリック聖伝主義
Practices > ミサ典礼（翻訳中）

The best-known and most visible sign of Catholic traditionalism is an attachment to the form that the Roman Rite liturgy of the Mass had before the liturgical reform of 1969–1970, in the various editions of the Roman Missal published between 1570 and 1962. This form is generally known as the Tridentine Mass, though traditionalists usually prefer to call it the Traditional Mass. Many refer to it as the Latin Mass, though Latin is the language also of the official text of the post-Vatican II Mass, to which vernacular translations are obliged to conform, and canon law states that "the eucharistic celebration is to be carried out in the Latin language or in another language provided that the liturgical texts have been legitimately approved." In his 2007 motu proprio Summorum Pontificum Pope Benedict XVI relaxed the regulations on use of the 1962 Missal, designating it "an" extraordinary form of the Roman Rite, as opposed to "the" ordinary or normal form, as revised successively by Pope Paul VI and Pope John Paul II. In 2021, Pope Francis promulgated Traditionis custodes, amending and abrogating parts of Summorum Pontificum.
Different traditionalist priests use different editions of the Roman Missal to celebrate the Tridentine Mass. Most, not only those in good standing with the Holy See but also such as those in the SSPX, use the 1962 edition, the only one that the Holy See authorises. A series of modifications to the 1962 liturgy introduced in 1965 are used by some traditionalists in good standing with Rome. This version of the liturgy is sometimes referred to as that of the "1965 Missal", though no new edition of the Roman Missal was in fact published in that year. The Priestly Fraternity of St. Peter, in an effort to get around the 1955 Holy Week reforms of Pius XII, which are part of the 1962 edition, has requested special permission from the Pontifical Commission <i id="mwAeU">Ecclesia Dei</i> for provisional use of the older Holy Week rites "ad experimentum," beginning in 2018 and running through Holy Week 2020, at which point it will be determined whether the Holy See will grant a broader permission.[needs update]
Since sedevacantists consider John XXIII not to have been a Pope, they reject the 1962 typical edition of the Roman Missal, which he promulgated. They generally use the 1920 typical edition, updated to some date previous to 1962. The Congregation of Mary Immaculate Queen follows the Missal as in 1955, accepting the changes introduced by Pius XII, but others reject his alteration of the calendar of saints and his revision of the rites of Holy Week. Thus these others reject John XXIII's 1962 edition, which most notably featured the addition of St. Joseph to the enumeration of saints in the Roman Canon, and Pius XII's changes, seeing these changes as steps that led to the post-Vatican II Mass. There are no reports of priests regularly using any typical edition of the Missal earlier than that of 1920, which incorporated the rubrical and calendar changes made by Pope Pius X in 1910.
Linked with the celebration of the Tridentine Mass is the observance of the liturgical calendar of saints' days as it existed before the revision of 1969 (see General Roman Calendar of 1960). Some also ignore the revisions of 1960 by Pope John XXIII, and of 1955 by Pope Pius XII, and use instead the General Roman Calendar of 1954.