C) The Festive Office
151 (167). The festive Office belongs to feasts of the I class. It is arranged as follows:
a) At I Vespers: everything from the Proper or Common;
b) Compline following I Vespers: of Sunday;
c) At Matins: everything from the Proper or Common; the hymn Te Deum is said;
d) At Lauds: everything from the Proper of Common, with Psalms of Sunday from the first group;
e) At Prime: first antiphon from Lauds; Psalms 53, 118i and 118ii; little chapter and the rest are as in the Ordinary; short lesson is of the Season.
At Pretiosa the Gospel is read.
f) At Terce, Sext, and None: antiphons, the second, third, and fifth respectively from Lauds; psalms of Sunday; the rest from the Proper or Common;
g) At II Vespers: everything from the Proper or Common.
h) Compline: of Sunday.