Okla. Stat. tit. 12A, § 12A-1-9-306B: Law governing perfection and priority of security

interests in controllable accounts, controllable electronic records,

and controllable payment intangibles.

LAW GOVERNING PERFECTION AND PRIORITY OF SECURITY INTERESTS IN

CONTROLLABLE ACCOUNTS, CONTROLLABLE ELECTRONIC RECORDS, AND

CONTROLLABLE PAYMENT INTANGIBLES

(a) Except as provided in subsection (b) of this section, the

local law of the controllable electronic record's jurisdiction

specified in subsections (c) and (d) of Section 12-107 of this title

governs perfection, the effect of perfection or nonperfection, and

the priority of a security interest in a controllable electronic

record and a security interest in a controllable account or

controllable payment intangible evidenced by the controllable

electronic record.

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

located governs:

(1) perfection of a security interest in a controllable

account, controllable electronic record, or controllable payment

intangible by filing; and

(2) automatic perfection of a security interest in a

controllable payment intangible created by a sale of the

controllable payment intangible.