Okla. Stat. tit. 6, § 6-910.10: Right of recoupment or set off

A. Except as provided in subsection B or C of this section, a

bank may not exercise a right of recoupment or set off against a

special deposit.

B. An account agreement may authorize the bank to debit the

special deposit:

1. When the bank becomes obligated to pay a beneficiary, in an

amount that does not exceed the amount necessary to discharge the

obligation;

2. For a fee assessed by the bank that relates to an overdraft

in the special deposit;

3. For costs incurred by the bank that relate directly to the

special deposit; or

4. To reverse an earlier credit posted by the bank to the

balance of the special deposit, if the reversal occurs under an

event or circumstance warranted under other law of this state

governing mistake and restitution.

C. The bank holding a special deposit may exercise a right of

recoupment or set off against an obligation to pay a beneficiary,

even if the bank funds payment from the special deposit.