Section 9--308. When Security Interest or Agricultural Lien Is

Perfected; Continuity of Perfection.

(a) Perfection of security interest. Except as otherwise provided in
this section and Section 9--309, a security interest is perfected if it
has attached and all of the applicable requirements for perfection in
Sections 9--310 through 9--316 have been satisfied. A security interest
is perfected when it attaches if the applicable requirements are
satisfied before the security interest attaches.

(b) Perfection of agricultural lien. An agricultural lien is perfected
if it has become effective and all of the applicable requirements for
perfection in Section 9--310 have been satisfied. An agricultural lien
is perfected when it becomes effective if the applicable requirements
are satisfied before the agricultural lien becomes effective.

(c) Continuous perfection; perfection by different methods. A security
interest or agricultural lien is perfected continuously if it is
originally perfected by one method under this article and is later
perfected by another method under this article, without an intermediate
period when it was unperfected.

(d) Supporting obligation. Perfection of a security interest in
collateral also perfects a security interest in a supporting obligation
for the collateral.

(e) Lien securing right to payment. Perfection of a security interest
in a right to payment or performance also perfects a security interest
in a security interest, mortgage, or other lien on personal or real
property securing the right.

(f) Security entitlement carried in securities account. Perfection of
a security interest in a securities account also perfects a security
interest in the security entitlements carried in the securities account.

(g) Commodity contract carried in commodity account. Perfection of a
security interest in a commodity account also perfects a security
interest in the commodity contracts carried in the commodity account.

(h) Cooperative organization security interest. A cooperative
organization security interest becomes perfected when the cooperative
interest first comes into existence and remains perfected so long as the
cooperative interest exists.