Priority of rights of purchasers of instruments, documents and securities under other articles. Priority of interests in financial assets and security entitlements under article 8.

(b) This article does not limit the rights of or impose liability on a person to the extent that the person is protected against the assertion of a claim under article 8. (c) Filing under this article does not constitute notice of a claim or defense to the holders, or purchasers, or persons described in subsections (a) and (b).