The First Thursday votive Mass may be said: “one Mass of our Lord Jesus Christ, eternal High Priest, on the first Thursday or the first Saturday of each month, in churches and oratories in which special devotions are held on that day for the sanctification of the clergy” (Rubricæ generales, 385a).
First Thursday votive: (White) Mass of our Lord Jesus Christ, eternal High Priest, Gloria, commemoration of the feria and of the saint, no Credo, common Preface
Mass of the feast, Gloria, commemoration of the feria, no Credo, common preface
Matins: Invitatorium Regem Confessorum Dominum; Hymn Iste Confessor; ferial psalms and antiphons; Lesson 3 of the feast; Te Deum
Lauds: Ferial psalms of the 1st scheme with antiphons; Hymn Iesu, Redemptor; proper oration; commemoration of the feria
Hours: Ferial psalms with antiphons per annum; proper oration
Vespers: Ferial psalms and antiphons; Hymn Iste Confessor; proper oration; commemoration of the feria
Compline: Of the feria