The Roman Missal: Proper of Saints, March and April (English) 21

1[April 14. St Tiburtius, Valerian, and Maximus, Martyrs.]

2[If this feast falls in Lent, a Commemoration only is made of it: but if after Easter, the Mass is as follows. And the same applies to other Simples occurring about this time.]

3[Mass.—Sancti tui Domine, for Martyrs in Paschal Time, page xv, except the Lesson and Gospel, which are of the Mass Protexisti, for one Martyr in Paschal time, page xiii, and the following:]

4Prayer. Præsta quæsumus. Grant, we beseech thee, O Almighty God, that we who keep the solemnity of thy holy martyrs, Tiburtius, Valerian, and Maximus, may also imitate their virtues. Through our Lord, &c.

5Secret. We beseech thee, O Lord, that this sacrifice which we offer, in commemoration of the festival of thy holy martyrs, may loosen the bonds of our wickedness, and procure for us the gifts of thy mercy. Through our Lord, &c.

6Postcom. Sacro munere. Replenished with the sacred gift, we suppliantly beseech thee, O Lord, that what we celebrate in the duty of the service, we owe thee, we may experience as an increase of salvation. Through our Lord, &c.