Ohio Code § 1309.304

§ 1309.304.

(A) The local law of a bank's jurisdiction governs perfection, the effect of perfection

or nonperfection, and the priority of a security interest in a deposit account maintained

with that bank. (B) The following rules determine a bank's jurisdiction for purposes of this section: (1) If an agreement between the bank and the debtor governing the deposit account expressly

provides that a particular jurisdiction is the bank's jurisdiction for purposes of

this chapter or Chapters 1301. to 1305. and 1307. to 1310. of the Revised Code, that

jurisdiction is the bank's jurisdiction. (2) If division (B)(1) of this section does not apply and an agreement between the bank

and its customer governing the deposit account expressly provides that the agreement

is governed by the law of a particular jurisdiction, that jurisdiction is the bank's

jurisdiction. (3) If neither division (B)(1) nor (2) of this section applies and an agreement between

the bank and its customer governing the deposit account expressly provides that the

deposit account is maintained at an office in a particular jurisdiction, that jurisdiction

is the bank's jurisdiction. (4) If neither division (B)(1), (2), nor (3) of this section applies, the bank's jurisdiction

is the jurisdiction in which the office identified in an account statement as the

office serving the customer's account is located. (5) If neither division (B)(1), (2), (3), nor (4) of this section applies, the bank's

jurisdiction is the jurisdiction in which the chief executive office of the bank is

located.