Bentuk luar biasa Ritus Roma

It is therefore permitted to celebrate the Sacrifice of the Mass following the typical edition of the Roman Missal, which was promulgated by Blessed John XXIII in 1962 and never abrogated, as an extraordinary form of the Church's Liturgy. The conditions for the use of this Missal laid down by the previous documents "Quattuor Abhinc Annos" and "Ecclesia Dei" are now replaced as follows: