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Views from the Choir Loft

“Simultaneous Fulfillment” of Mass Obligation?

Jeff Ostrowski · November 24, 2017

3830 Calendar CCORDING to current USA law, a Catholic may fulfill the Sunday obligation by attending Mass on Saturday evening, sometimes called an “anticipated” or “vigil” Mass. The readings and propers chosen for Saturday night make no difference. (The same holds true for any Holy Day of Obligation.)

Christmas falls on a Monday in 2017.

Can you “double dip” the fulfillment of your Mass obligation? In other words, does attending Mass on Sunday evening fulfill both the Sunday and Monday obligations? Reading the Code of Canon Law, we might erroneously believe this:

Can 1248 • A person who assists at a Mass celebrated anywhere in a Catholic rite either on the feast day itself or in the evening of the preceding day satisfies the obligation of participating in the Mass.

For years, this has caused tremendous confusion online. Many authors feel we must attend Mass twice but struggle to provide documentation. Some appeal to “the common and constant opinion of learned persons” argument. But the Congregation for the Clergy has already clarified the matter of simultaneous fulfillment by the faithful:

328 simulatneous-fulfillment-mass-obligation DOUBLE DIPPING

    * * Source • USCCB Document on “Double-Dipping” (1974)


I’m not a canon lawyer, but this document seems to leave no room for “double dipping” (as Andrew Motyka dubbed it several years ago). Therefore, you must attend Mass twice—once for Sunday, once for Christmas—but there are many ways this can lawfully be done. You could go Saturday night and Monday night. Or you could go Sunday evening and Christmas morning. My personal preference is to go Sunday morning and Monday morning.

For the record, rules like these apply to the Extraordinary Form as well. (Similar to how EF Catholics are bound by the current laws on fasting and not, say, the 1950s regulations.)

HIS DUBIUM was answered at the precise moment we would expect. After all, “anticipated fulfillment” of Mass obligation was a new concept, and (to be brutally honest) ruptured the traditional practice of the Church, which had always celebrated vigils on the preceding morning. It should be noted—and cannot be repeated enough—that the choice of formularies makes no difference when it comes to fulfilling one’s obligation to attend Mass. As the above document points out:

On the evening of the Fourth Sunday of Advent, when this falls on December 24, it is possible to have both the evening Mass of the Sunday and the vigil Mass of Christmas. In the same way, when Christmas occurs on a Saturday, the evening Mass might be either that of Christmas or the anticipated Mass for the Feast of the Holy Family.

That is why one can attend a Wedding (“Nuptial Mass”) on Saturday evening and fulfill one’s Sunday obligation, although I believe such a Mass cannot begin too early in the afternoon.


Fun fact : Archbishop Bugnini, in that 1974 document, clearly says nobody can be forced to receive Holy Communion in the hand:

Furthermore, even when an Episcopal Conference petitions the Holy See for the faculty to distribute communion in the hand (see Memoriale Domini, May 29, 1969), this manner of reception can in no way be imposed on the faithful. Rather, the freedom and possibility of receiving communion in the traditional manner must always be granted.

It was recently clarified by the USCCB that kneeling of Communion cannot be denied.

The following are offered for your consideration:

    * *  PDF Download • Diocese of Tulsa, Oklahoma

    * *  PDF Download • Archdiocese of Atlanta, Georgia

    * *  PDF Download • Diocese of Birmingham, Alabama

    * *  PDF Download • USCCB Statement on “Double Dipping”

    * *  PDF • “Evening Masses and Days of Obligation” (58 pages)

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Tagged With: anticipated Mass, simultaneous Mass obligation, vigil Mass Last Updated: January 1, 2020

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    Urgent! • We Desperately Need Funds!
    A few days ago, the president of Corpus Christi Watershed posted this urgent appeal for funds. Please help us make sure we’re never forced to place our content behind a paywall. We feel it’s crucial that 100% of our content remains free to everyone. We’re a tiny 501(c)3 public charity, entirely dependent upon the generosity of small donors. We have no endowment and no major donors. We run no advertisements and have no savings. We beg you to consider donating $4.00 per month. Thank you!
    —Jeff Ostrowski
    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski
    “Yahweh” in church songs?
    My pastor asked me to write a weekly column for our parish bulletin. The one scheduled to run on 22 June 2025 is called “Three Words in a Psalm” and speaks of translating the TETRAGRAMMATON. You can read the article at this column repository. All of them are quite brief because I was asked to keep within a certain word limit.
    —Jeff Ostrowski

Quick Thoughts

    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt
    The Funeral Rites of the Graduale Romanum
    Lately I have been paging through the 1974 Graduale Romanum (see p. 678 ff.) and have been fascinated by the funeral rites found therein, especially the simply-beautiful Psalmody that is appointed for all the different occasions before and after the funeral Mass: at the vigil/wake, at the house of the deceased, processing to the church, at the church, processing to the cemetery, and at the cemetery. Would that this “stational Psalmody” of the Novus Ordo funeral rites saw wider usage! If you or anyone you know have ever used it, please do let me know.
    —Daniel Tucker

Random Quote

“What matters is to prefer God to all else; to be ready to sacrifice all, rather than commit one sin.”

— Cardinal Merry Del Val (shortly before his death)

Recent Posts

  • Urgent! • We Desperately Need Funds!
  • PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III
  • “Booklet of Eucharistic Hymns” (16 pages)
  • PDF Download • “Text by Saint Francis of Assisi” (choral setting w/ organ: Soprano & Alto)
  • “Yahweh” in church songs?

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