Jus novum (c. 1140-1563) Jus novissimum (c. 1563-1918) Jus codicis (1918-present) Other Sacraments Sacramentals Sacred places Sacred times Supra-diocesan/eparchal structures Particular churches Juridic persons Philosophy, theology, and fundamental theory of Catholic canon law Clerics Office Juridic and physical persons Associations of the faithful Pars dynamica (trial procedure) Canonization Election of the Roman Pontiff Academic degrees Journals and Professional Societies Faculties of canon law Canonists Institute of consecrated life Society of apostolic life Benedictus Deus is a papal bull written by Pius IV in 1564 which ratified all decrees and definitions of the Council of Trent.

It maintains that the decrees of the Council of Trent can be interpreted solely by the Papal office itself; and enjoins strict obedience upon all Catholics, forbidding, under pain of excommunication, all unauthorized interpretation.

This was seen by Church contemporaries of Pius IV as an attempt to strengthen the influence of the Papacy against the rise of Conciliarism exemplified by the Council of Trent itself.

There is a more minor bull of the same title written by Benedict XII in 1336.

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