Okla. Stat. tit. 12A, § 12A-1-9-310: When filing required to perfect security interest or

agricultural lien - Security interests and agricultural liens to

which filing provisions do not apply.

WHEN FILING REQUIRED TO PERFECT SECURITY INTEREST OR

AGRICULTURAL LIEN; SECURITY INTERESTS AND AGRICULTURAL

LIENS TO WHICH FILING PROVISIONS DO NOT APPLY

(a) Except as otherwise provided in subsection (b) of this

section and Section 1-9-312 of this title, a financing statement

must be filed to perfect all security interests and agricultural

liens.

(b) The filing of a financing statement is not necessary to

perfect a security interest:

(1) that is perfected under subsection (d), (e), (f), or (g) of

Section 1-9-308 of this title;

(2) that is perfected under Section 1-9-309 of this title when

it attaches;

(3) in property subject to a statute, regulation, or treaty

described in subsection (a) of Section 1-9-311 of this title;

(4) in goods in possession of a bailee which is perfected under

paragraph (1) or (2) of subsection (d) of Section 1-9-312 of this

title;

(5) in certificated securities, documents, goods, or

instruments which is perfected without filing, control, or

possession under subsection (e), (f), or (g) of Section 1-9-312 of

this title;

(6) in collateral in the secured party's possession under

Section 1-9-313 of this title;

(7) in a certificated security which is perfected by delivery

of the security certificate to the secured party under Section 1-9-

313 of this title;

(8) in controllable accounts, controllable electronic records,

controllable payment intangibles, deposit accounts, electronic

documents, investment property, or letter-of-credit rights which is

perfected by control under Section 1-9-314 of this title;

(9) in chattel paper which is perfected by possession and

control under Section 1-9-314A of this title;

(10) in proceeds which is perfected under Section 1-9-315 of

this title; or

(11) that is perfected under Section 1-9-316 of this title.

(c) If a secured party assigns a perfected security interest or

agricultural lien, a filing under this article is not required to

continue the perfected status of the security interest against

creditors of and transferees from the original debtor.