Okla. Stat. tit. 12A, § 12A-1-9-305

interests in investment property.

LAW GOVERNING PERFECTION AND PRIORITY

OF SECURITY INTERESTS IN INVESTMENT PROPERTY

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

section, the following rules apply:

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(1) While a security certificate is located in a jurisdiction,

the local law of that jurisdiction governs perfection, the effect of

perfection or nonperfection, and the priority of a security interest

in the certificated security represented thereby.

(2) The local law of the issuer's jurisdiction as specified in

subsection (d) of Section 8-110 of this title governs perfection,

the effect of perfection or nonperfection, and the priority of a

security interest in an uncertificated security.

(3) The local law of the securities intermediary's jurisdiction

as specified in subsection (e) of Section 8-110 of this title

governs perfection, the effect of perfection or nonperfection, and

the priority of a security interest in a security entitlement or

securities account.

(4) The local law of the commodity intermediary's jurisdiction

governs perfection, the effect of perfection or nonperfection, and

the priority of a security interest in a commodity contract or

commodity account.

(5) Paragraphs (2), (3), and (4) of this subsection apply even

if the transaction does not bear any relation to the jurisdiction.

(b) The following rules determine a commodity intermediary's

jurisdiction for purposes of this part:

(1) If an agreement between the commodity intermediary and

commodity customer governing the commodity account expressly

provides that a particular jurisdiction is the commodity

intermediary's jurisdiction for purposes of this part, this article,

or this title, that jurisdiction is the commodity intermediary's

jurisdiction.

(2) If paragraph (1) of this subsection does not apply and an

agreement between the commodity intermediary and commodity customer

governing the commodity account expressly provides that the

agreement is governed by the law of a particular jurisdiction, that

jurisdiction is the commodity intermediary's jurisdiction.

(3) If neither paragraph (1) nor paragraph (2) of this

subsection applies and an agreement between the commodity

intermediary and commodity customer governing the commodity account

expressly provides that the commodity account is maintained at an

office in a particular jurisdiction, that jurisdiction is the

commodity intermediary's jurisdiction.

(4) If none of the preceding paragraphs of this section

applies, the commodity intermediary's jurisdiction is the

jurisdiction in which the office identified in an account statement

as the office serving the commodity customer's account is located.

(5) If none of the preceding paragraphs of this section

applies, the commodity intermediary's jurisdiction is the

jurisdiction in which the chief executive office of the commodity

intermediary is located.

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(c) The local law of the jurisdiction in which the debtor is

located governs:

(1) perfection of a security interest in investment property by

filing;

(2) automatic perfection of a security interest in investment

property created by a broker or securities intermediary; and

(3) automatic perfection of a security interest in a commodity

contract or commodity account created by a commodity intermediary.