“1. The sacred ministers belonging to the Society of St. Pius X are in schism and must therefore be considered schismatics (cf. Ecclesia Dei, 5 c; Pontifical Council for Legislative Texts, Explanatory Note on the Excommunication for Schism Incurred by Adherents of the Movement of Archbishop Marcel Lefebvre, 24.08.1996, 5-6), and are thus subject to the excommunication provided for by law (can. 1364 § 1 CIC).”

“2. As regards the lay faithful, those who formally adhere to the Society of St. Pius X under the conditions established in the 1996 Explanatory Note of the Pontifical Council for Legislative Texts (cf. ibidem, 7) — which remains in force and which this Dicastery makes its own — are to be considered schismatic and excommunicated.”

“3. Finally, the holy People of God are warned that the sacred ministers of the Society of St. Pius X unlawfully administer the sacraments, and that the sacrament of penance they administer and the marriages they witness are invalid.”

The 1996 Note's answer, consistent with general canonical doctrine on formal adherence to schism, distinguishes between:

Material/passive connection — someone who attends SSPX Masses out of liturgical preference, unease with changes since Vatican II, or simple habit, without positively embracing the Society's rejection of the pope's authority. This person is not excommunicated.

Formal adherence — someone who deliberately and knowingly joins in the SSPX's schismatic position itself: actively supporting the rejection of papal authority, publicly identifying with the Society's stance that it may act independently of Rome, or otherwise manifesting genuine adherence to the schism as such, not just a preference for the old liturgy.

The theological principle underneath this (drawn from general canon law on schism, e.g. canon 751 and 1364) is that excommunication for schism requires culpable, deliberate adherence to the schismatic act or position — not mere physical presence or sacramental use. A grandmother going to the SSPX chapel because it's the only place nearby with a reverent old Mass, without any considered rejection of the pope, doesn't meet the bar. Someone who signs onto SSPX statements rejecting papal authority, or otherwise actively identifies with the Society's schismatic self-understanding, does.

Archbishop Marcel Lefebvre founded the SSPX in 1970 in opposition to the Second Vatican Council's reforms, particularly on ecumenism, religious liberty, and the vernacular Mass. Fearing his movement would collapse once he died, Lefebvre consecrated four bishops on June 30, 1988 without papal mandate. Under canon law this is a schismatic act carrying automatic ("latae sententiae") excommunication, and Rome so declared it — the founding wound between the SSPX and Rome. The four newly consecrated bishops were Bernard Fellay, Bernard Tissier de Mallerais, Richard Williamson, and Alfonso de Galarreta.

Benedict, long sympathetic to the traditionalist cause, made two major overtures:

2007 — Summorum Pontificum, liberalizing use of the pre-Vatican II Latin Mass across the whole Church, removing a key SSPX grievance.

January 2009 — He lifted the 1988 excommunications on the four bishops. This blew up almost immediately into a PR and ecumenical crisis because Swiss TV aired an interview with Bishop Williamson denying the Holocaust just before the decree became public. Benedict clarified at the time that lifting the excommunications did not restore canonical status: SSPX priests still could not licitly exercise ministry, and the society remained in what the Vatican called "institutional irregularity" rather than full communion. Doctrinal talks between the SSPX and the CDF ran 2009–2012 and ultimately collapsed without an agreement.

Francis, despite general wariness of traditionalists, kept extending small faculties:

2015 — During the Jubilee of Mercy, he declared that confessions heard by SSPX priests were validly and licitly absolved; this was meant as a one-year gesture but was extended indefinitely.

2017 — He authorized local bishops to grant SSPX priests faculties to witness marriages according to canonical form.

These were real, incremental steps toward normalization — but the society still had no canonical status, no jurisdiction of its own, and Rome still described it as "irregular" rather than in full communion.

The unresolved sticking point for decades was generational: the SSPX's own bishops were aging, and the society insisted it needed to consecrate new ones to survive institutionally — something only the pope can authorize.

February 12, 2026 — A meeting between SSPX leadership and Rome failed to produce agreement on this point.

May 13 — Cardinal Fernández (DDF) warned that unauthorized consecrations would constitute a schismatic act and trigger excommunication.

June 16 — At Castel Gandolfo, Pope Leo told journalists he was still weighing a personal appeal to the SSPX to stand down.

June 26–27 — An extraordinary consistory of cardinals discussed the looming crisis; Cardinal Müller proposed a commission to help SSPX clergy/laity who might want to return to full communion if a schism occurred.

June 29–30 — Leo sent SSPX Superior General Fr. Davide Pagliarani a personal letter: "to tear the seamless garment of Christ is a sin of extreme gravity," pleading with him to turn back. Pagliarani responded courteously but did not yield, and SSPX media stated they were changing nothing in their plans.

July 1, 2026 — At the SSPX seminary in Écône, Switzerland, bishops Alfonso de Galarreta and Bernard Fellay (the very men whose 1988 excommunications Benedict XVI lifted in 2009) consecrated four new bishops — Pascal Schreiber, Michael Goldade, Michel Poinsinet de Sivry, and Marc Hanappier — before a crowd of roughly 15,000–17,000. All six bishops involved thereby incurred automatic excommunication a second time for de Galarreta and Fellay. Notably, the ordination oath still referenced obedience to "the Apostle Peter, the Holy Roman Church and Pope Leo XIV," underscoring the SSPX's self-understanding that it is not formally separating, even as canon law says otherwise.