Okla. Stat. tit. 6, § 6-2203: Financial institutions prohibited from disclosing

financial records unless.

A financial institution is prohibited from giving, releasing or

disclosing any financial record to any government authority unless:

(a) it has written consent from the customer for the specific

record requested; or

(b) it has been served with a subpoena issued pursuant to

Section 4 for the specific record requested.