Okla. Stat. tit. 12A, § 12A-1-9-340: Effectiveness of right of recoupment or set-off

against deposit account.

EFFECTIVENESS OF RIGHT OF RECOUPMENT OR

SET-OFF AGAINST DEPOSIT ACCOUNT

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

section, a bank with which a deposit account is maintained may

exercise any right of recoupment or set-off against a secured party

that holds a security interest in the deposit account.

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

section, the application of this article to a security interest in a

deposit account does not affect a right of recoupment or set-off of

the secured party as to a deposit account maintained with the

secured party.

(c) The exercise by a bank of a set-off against a deposit

account is ineffective against a secured party that holds a security

interest in the deposit account which is perfected by control under

paragraph (3) of subsection (a) of Section 1-9-104 of this title, if

the set-off is based on a claim against the debtor.