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, no Credo, preface of the BVM with Et te in veneratione
Mass of the B.V.M. on Saturday V: Salve sancta parens (White), Gloria, commemoration added, no Credo, preface of the B.V.M. with Et te in veneratione
Matins: Invitatorium and Hymn from BVM on Saturday; first two lessons from occurring scripture; third lesson of BVM on Saturday, Te Deum
Lauds: Antiphons and psalms of the feria (first schema); remainder of BVM on Saturday
Hours: Antiphons and psalms of the feria; remainder of BVM on Saturday; in Prime responsory Qui natus es
I Vespers: Of the following Sunday; antiphons and psalms of Saturday; remainder per annum as given in the psalter; proper Magnificat antiphon and oration
Compline: Of Saturday