By a capitulary he provided that either litigant, without the consent of the other party, and not only at the beginning of a suit but at any time during its continuance, might take the cause from lay cognizance and transfer it to the bishop's tribunal.
It is possible that chapter i., De mannire, was taken from a Merovingian capitulary and afterwards placed at the beginning of the Salic Law.
The capitularies of 805 and 821 also contain vague references to sworn unions of some sort, and a capitulary of 884 prohibits villeins from forming associations "vulgarly called gilds" against those who have despoiled them.
Charles now sought to increase his authority in Italy, where Frankish counts were set over various districts, and where Hildebrand, duke of Spoleto, appears to have recognized his overlordship. In 780 he was again in the peninsula, and at Mantua issued an important capitulary which increased the authority of the Lombard bishops, relieved freemen who under stress of famine had sold themselves into servitude, and condemned abuses of the system of vassalage.
This capitulary ordered the celebration of baptism and other Christian rites and ceremonies in addition to the payment of tithes, and forbade the observance of pagan customs on pain of death.