O'Connell's dissertation bore the title "The Mobility of Secular Clerics and Incardination". An example of when the formal incardination matters is the case of Fr. Only two percent of applicants are selected to study for the priesthood or for incardination. Incardination is dealt with in canons 265-272 of the Code of Canon Law. Priests from many places were requesting incardination, but the institute exercised prudence in their regard.