Here you see the coat of arms for the Vatican City State. Take note of the crown on top, a symbol of papal authority. It is a triple tiered crown, that is also called a tiara or triregno in Latin.
Concerning the extent of Papal dignity, authority, or dominion and infallibility.
(Quoadea quoeconcernunt papae dignitatem, auctoritatem, seu potestatem, et infallibilitatem.)
#1. “The Pope is of so great dignity and so exalted that he is not mere man, but as it were God, and the vicar of God.”
(#1. “Papa tantae est dignitatis et cesitudinis, ut non sit simplex homo, sed quasi Deus, et Dei vicarius.”)
#13. “Hence the Pope is crowned with a triple crown, as king of heaven and of earth and of the lower regions.”
(#13. Hinc Papa triplici corona coronatur tanquam rex coeli, terre et infernoram.”)
#18. “As to papal authority, the Pope is as it were God on earth, Sole sovereign of all the faithful of Christ, chief king of kings, having a plentitude of unbroken power, entrusted by the omnipotent God to govern the earthly and heavenly kingdoms.”
(#18. “Deveniendo ad Papae auctoritatem, Papa est quasi Deus in terra unicaus Christifidelium princeps, regum omnium rex maximus, plenitudinem potestatis continens, cui terreni simul, ac coelestis imperii gubernacula ab omnipotenti Deo credita sunt.”)
(#30. “The Pope is of so great authority and power, that he is able to modify, declare, or interpret even divine laws.”
(#30. “Papa tantae est auctoritatis et potestatis, ut possit quoque leges divinas modificare, declarare, vel interpretari, ad num.”)
Source: Lucius Ferraris, “Papa,” art. 2, in his Prompta Bibliotheca Canonica, Juridica, Moralis, Theologica, Ascetica, Polemica, Rubristica, Historica. (“Handy Library”), Vol. 5, published in Petit-Montrouge (Paris) by J. P. Migne, 1858 edition, column 1823, Latin.
These papal claims, to include the presumed authority to modify the divine laws of God, were specifically prophesied in the book of Daniel:
Dan 7:25 And he shall speak great words against the most High, and shall wear out the saints of the most High, and think to change times and laws: (of the most High) and they shall be given into his hand until a time and times and the dividing of time.
It is a remarkable fact that the first instance upon record in which the bishop of Rome attempted to rule the Christian church was by AN EDICT IN BEHALF OF SUNDAY. It had been the custom of all the churches to celebrate the passover, but with this difference: that while the eastern churches observed it upon the fourteenth day of the first month, no matter what day of the week this might be, the western churches kept it upon the Sunday following that day; or rather, upon the Sunday following Good Friday. Victor, bishop of Rome, in the year 196,36 took upon him to impose the Roman custom upon all the churches; that is, to compel them to observe the passover upon Sunday. “This bold attempt,” says Bower, “we may call the first essay of papal usurpation.”37 And Dowling terms it the “earliest instance of Romish assumption.”38
36 Bower`s History of the Popes, vol. 1. pp. 18, 19;
Rose’s Neander, pp. 188-190;
Dowling`s History of Romanism, book 1, chap. 2. sec. 9.
37 History of the Popes, vol. 1. p. 18.
38 History of Romanism, heading of page 32.
Source: History of the Sabbath and First Day of the Week, by J.N. Andrews, Chapter 16, Origin of First-Day Observance, copyright 1998, TEACH Services, Inc., ISBN 1-57258-107-7, page 276.