Okla. Stat. tit. 12A, § 12A-1-9-327: Priority of security interests in deposit account

PRIORITY OF SECURITY INTERESTS IN DEPOSIT ACCOUNT

The following rules govern priority among conflicting security

interests in the same deposit account:

(1) A security interest held by a secured party having control

of the deposit account under Section 1-9-104 of this title has

priority over a conflicting security interest held by a secured

party that does not have control.

(2) Except as otherwise provided in paragraphs (3) and (4) of

this section, security interests perfected by control under Section

1-9-314 of this title rank according to priority in time of

obtaining control.

(3) Except as otherwise provided in paragraph (4) of this

section, a security interest held by the bank with which the deposit

account is maintained has priority over a conflicting security

interest held by another secured party.

(4) A security interest perfected by control under paragraph

(3) of subsection (a) of Section 1-9-104 of this title has priority

over a security interest held by the bank with which the deposit

account is maintained.