(1) In the case prescribed in the preceding Article, the sub-pledge cannot be set up against the debtor, surety, pledger, and their successors in title unless the debtor has been notified of such sub-pledge or has given his or her consent thereto.
(2) If the debtor has received notice or has given his or her consent thereto as prescribed in the preceding paragraph, no payment of debt made to the pledgee without the consent of the sub-pledgee can be set up against the sub-pledgee.