The priest delegated by the Ordinary to
perform this office shall have gone to
confession, or at least elicited an act of
contrition, and offered the holy Sacrifice of
the Mass, if it was convenient to do so; he
ought, moreover, to have implored God's help
in devout prayer.Vested in surplice and purple
stole, and having before him the person
possessed (in fetters if there is any danger), he
traces the sign of the Cross over him, over
himself, and the bystanders, and then sprinkles
them with holy water. Kneeling down he prays
the Litany of the Saints, exclusive of the
prayers which follow it, with the others
making the responses. Thereupon he says