Okla. Stat. tit. 12, § 12-415: Disgrace as ground for refusal to testify

No witness is privileged to refuse to testify to any fact, or

produce any paper, respecting which he shall be examined by either

house of the Legislature, or by any committee of either house, upon

the ground that his testimony to such fact or his production of such

paper may tend to disgrace or otherwise render him infamous.