Okla. Stat. tit. 12A, § 4A-502
Oklahoma Code Comment
In the case where the beneficiary's bank is served with creditor process between the time it accepts a payment order and the time it makes payment to the beneficiary, payment will usually occur with the satisfaction of the creditor process and deposit of the remaining funds (if an account of the beneficiary, pursuant to Section 4A-405(a) and Section 4A-405(b) . In the event there is some dispute as to the validity or enforceability of the creditor process, the bank may withhold payment pending resolution of the dispute pursuant to § 4A-404(a).