Since it would be a problem in case of executing them, they will be kept in a state of semi-banishment until they die.
“There were also other vassals involved in preparing the armor for that captured flying dragon. As they were reprimanded severely by His Majesty with the words 『If you have that kind surplus, I suppose you can pay a penalty in order for your rank to not be lowered?』, they became teary eyed.” (Armstrong)