Christ commissioned Peter and His Successors, all the vicars of Christ, with the words: "I give you the keys of the kingdom of heaven. Whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven."
Thus, Catholics believe, "Roma locuta est, causa finita est"; Roma has spoken, the case is closed.
A review of the laws of the Church in this regard:
“Canon 331 The bishop of the Roman Church, in whom continues the office given by the Lord uniquely to Peter, the first of the Apostles, and to be transmitted to his successors, is the head of the college of bishops, the Vicar of Christ, and the pastor of the universal Church on earth. By virtue of his office he possesses supreme, full, immediate, and universal ordinary power in the Church, which he is always able to exercise freely.
“Canon 333 §1. By virtue of his office, the Roman Pontiff not only possesses power offer the universal Church but also obtains the primacy of ordinary power over all particular churches and groups of them. Moreover, this primacy strengthens and protects the proper, ordinary, and immediate power which bishops possess in the particular churches entrusted to their care.
“§2. In fulfilling the office of supreme pastor of the Church, the Roman Pontiff is always joined in communion with the other bishops and with the universal Church. He nevertheless has the right, according to the needs of the Church, to determine the manner, whether personal or collegial, of exercising this office.”
The Account of the Apparition of Our Lady of Guadalupe from the Breviarium Romanum - "In Mexico, on the hill of Tepeyac, in the year 1531, the God-bearing Virgin Mary, as is piously handed down, appeared to the neophyte Juan Diego, and ...
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