I class
White
Mass of the Feast; Gloria; Sequence Lauda Sion, Credo; common preface.
In the Mass which precedes the Procession, a second Host is consecrated and exposed in the Monstrance after Communion and before the ablutions. The remainder of the Mass continues coram Sanctissimo. Benedicamus Domino is said and the Last Gospel omitted, before the Procession departs. It is not proper on Corpus Christi to expose a Host that was previously consecrated at another Mass.
Matins: Invitatorium and hymn proper; antiphons, psalms, and lessons of the 3 nocturns are proper; Te Deum
Lauds: Proper antiphons, with Sunday psalms (1st scheme); remainder is proper
Prime: Proper antiphon, with Sunday psalms; Psalm 53 instead of 117
Hours: Proper antiphons, with Sunday psalms; remainder is proper
II Vespers: Proper antiphons and psalms (taken from I Vespers); remainder is proper
Compline: Of Sunday