Jus exclusivae
veto by monarchs in papal elections
Jus exclusivae (Latin for "right of exclusion"; sometimes called the papal veto) was the right claimed by several Catholic monarchs of Europe to veto a candidate for the papacy. Although never formally recognized by the Catholic Church, the monarchs of France, Spain and Austria claimed this right at various times, making known to a papal conclave, through a crown-cardinal, that the monarch deemed a particular candidate for the papacy objectionable.
Early history
The right exercised by Byzantine (Byzantine Papacy) and Holy Roman emperors to confirm the election of a pope, which was last exercised in the Early Middle Ages, appears unrelated to the early modern legal claim of jus exclusivae by the Holy Roman Empire, France, and Spain. Pope Pius IV, in his bull In Elgidendis (1562), excluded formal support of the Church to such rights and external interventions in the conclave. It was explicitly forbidden in 1904 with the bull Commissum Nobis of Pope Pius X.
In the 17th century, treatises in defence of this right first appear. It was notably invoked in 1644 by both Spain and France. Spain used it to exclude the election of Giulio Cesare Sacchetti, whereas France failed to veto the election of Giovanni Battista Pamphili (who became Pope Innocent X).
Right asserted since 1644
1644 Papal conclave – Giulio Cesare Sacchetti, by King Philip IV of Spain
1655 Papal conclave – Giulio Cesare Sacchetti, by King Philip IV of Spain
1669–70 Papal conclave – Benedetto Odescalchi, by King Louis XIV of France
1700 Papal conclave – Galeazzo Marescotti, by King Louis XIV of France
1721 Papal conclave – Fabrizio Paolucci, by Emperor Charles VI; and Francesco Pignatelli by King Philip V of Spain
1730 Papal conclave – Giuseppe Renato Imperiali, by King Philip V of Spain
1758 Papal conclave – Carlo Alberto Guidoboni Cavalchini, by King Louis XV of France
1774–75 Papal conclave - Giovanni Carlo Boschi, by the Bourbon courts
1823 Papal conclave – Antonio Gabriele Severoli by Emperor Francis I of Austria
1830–31 Papal conclave – Giacomo Giustiniani, by King Ferdinand VII of Spain
1903 Papal conclave – Mariano Rampolla, by Emperor Franz Joseph I of Austria
At the 1846 Papal conclave, Austrian Chancellor Klemens von Metternich confided Austria's veto of Cardinal Giovanni Maria Mastai-Ferretti to Cardinal Carlo Gaetano Gaisruck, Archbishop of Milan, who arrived too late. Mastai-Ferretti would reign as Pius IX for over thirty-one years.
Papal attitude toward the jus exclusivae
The right has never been formally recognized by the papacy, though conclaves have considered it expedient to recognize secular objections to certain papabili, that is, candidates for the papacy, and to accept secular interference as an unavoidable abuse.
“Jus exclusivae” enters the record as veto by monarchs in papal elections. Crown Archives preserves that source wording while asking what exclusivae, veto and monarchs can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jun 16, 2026. The linked authority identifier is Q1383937. The Library of Congress control number is sh85046248. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1562, 1904, 1644 and 1655.
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