California Code, Commercial Code - COM § 9306.2

(a) Except as provided in subdivision (b), the local law of the controllable electronic record's jurisdiction specified in subdivisions (c) and (d) of Section 12107 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 both of the following: