The sacred College, terrified by the experience of Sixtus into thinking that another Pope, so reckless in his creation of scandalous Cardinals, might ruin Christendom, laid the most solemn obligations on the Pope elect.

Cibo took oaths on every relic, by every saint, to every member of the conclave, that he would maintain a certain order of appointment and a purity of election in the Church.

No Cardinal under the age of thirty, not more than one of the Pope's own blood, none without the rank of Doctor of Theology or Law, were to be elected, and so forth.

But as soon as the tiara was on his head, he renounced them all as inconsistent with the rights and liberties of S.Peter's Chair.
Engagements made by the man might always be broken by the Pope.

Of Innocent's Pontificate little need be said.