III class
White
The name of the feast refers to the Roman Papal Basilica known as St. Mary Major
The First Saturday votive Mass may be said: “one Mass of the Immaculate Heart of the Blessed Virgin Mary, on the first Saturday of each month, in churches and oratories in which special devotions are held on that day in honor of the Immaculate Heart of Mary” (Rubricæ generales, 385c)
First Saturday votive: (White) Mass of August 22, Gloria, commemoration of the feast, no Credo, preface of the BVM with Et te in veneratione
OR
Mass of the feast, Gloria, no Credo, common preface
Ordinary Office of the feast
Matins: Invitatorium and Hymn from the Common; psalms and antiphons of the feria; first two lessons of the occurring Scripture (second and third joined); lesson 3 of the feast; Te Deum
Lauds: Antiphons and psalms of the feria (first schema), remainder from the Common
Hours: Antiphons and psalms of the feria, remainder from the Common
I Vespers: Of the Transfiguration (because it occurs on Sunday). Proper antiphons with psalms from Sunday except Ps. 116 as the fifth psalm, remainder proper. No commemoration of the coming Sunday because it is of the same Divine Person
Compline: Of Sunday