 Scipione undertook many important tasks in this connection, defining the legal relationship between the crown and the nobles, clarifying the rights of the king and those of the pope within the kingdom, and so forth.In 1555, Paolo d'Arezzo was sent on an embassy to the pope, doubtless in connection with Philip II's assumption of his feudal rights and obligations with regard to the Kingdom of Naples.He so impressed Pope Paul IV with his business-like and accommodating manner that he was offered a position at the papal court, that of Auditor of the Rota.