This was confirmed in 1641, when it was also provided that the mayor and recorder should be ipso facto justices of the peace.
By an act of the 17th of July 1862 any slave of a disloyal master who was in territory occupied by northern troops was declared ipso facto free.
By a decree of the Lateran council of 1215, which was enforced in England, no clerk can hold two benefices with cure of souls, and if a beneficed clerk shall take a second benefice with cure of souls, he vacates ipso facto his first benefice.
Should the king fail to observe any one of these articles, the nation was ipso facto absolved from its allegiance.
In 1800 Henry was able to return to Rome, and in 1803, being now senior cardinal bishop, he became ipso facto dean of the Sacred College and bishop of Ostia and Velletri.