Diocese of Westminster Ordo 2026 Occasions when Mass texts of the day may be replaced permitted. not permitted. The table of rubrics inserted here governs when celebrations using the formularies from Ritual Masses, Masses for Various Needs and Occasions, Votive Masses, and Masses for the Dead are permitted within the liturgical year. V1 Ritual Masses (General Instruction of the Roman Missal [hereafter, GIRM], no. 372). Masses for various needs and occasions and votive Masses, in cases of serious need or pastoral advantage, at the direction of the local Ordinary or with his permission (GIRM, no. 374).
V2 Masses for various needs and occasions and votive Masses, in cases of serious need or pastoral advantage, at the discretion of the parish priest or the priest celebrant (GIRM, no. 376). V3 Masses for various needs and occasions and votive Masses chosen by the priest celebrant in favour of the devotion of the people (GIRM, nn. 373, 375). D1 Funeral Mass (GIRM, no. 380). 9 V1 V2 V3 D1 D2 D3 1. Solemnities of precept ✗ ✗ ✗ ✗ ✗ ✗ 2. Sundays in the seasons of Advent, Lent and Easter 3. Holy Thursday, Easter Triduum 4. Solemnities not of precept, All Souls ✗ ✗ ✗ ✓ ✗ ✗ 5. Ash Wednesday, weekdays of Holy Week 6. Days of the octave of Easter 7. Sundays of Christmas and Ordinary Time ✓ ✗ ✗ ✓ ✓ ✗ 8.
Feasts 9. Weekdays in the season of Advent (17 to 24 Decem ber) ✓ ✗ ✗ ✓ ✓ ✗ 10. Days in the octave of Christmas 11. Weekdays in the season of Lent 12. Obligatory memorials ✓ ✓ ✗ ✓ ✓ ✗ 13. Weekdays in the season of Advent to 16 December 14. Weekdays in the season of Christmas from 2 January 15. Weekdays in the season of Easter 16. Weekdays in Ordinary Time ✓ ✓ ✓ ✓ ✓ ✓