Okla. Stat. tit. 12, § 12-2501: Privileges recognized only as provided

Except as otherwise provided by constitution, statute or rules

promulgated by the Supreme Court no person has a privilege to:

1. Refuse to be a witness;

2. Refuse to disclose any matter;

3. Refuse to produce any object or record; or

4. Prevent another from being a witness or disclosing any

matter or producing any object or record.