Okla. Stat. tit. 21 § 1290.20
It shall be unlawful for any sheriff or designee to fail or refuse to accept an application for a handgun license as authorized by the provisions of the Oklahoma Self-Defense Act or to fail or refuse to process or submit the completed application to the Oklahoma State Bureau of Investigation within the time prescribed by paragraph 8 of Section 1290.12 of this title, or to falsify or knowingly allow any person to falsify any information, documentation, fingerprint or photograph submitted with a handgun application. Any violation shall, upon conviction, be a misdemeanor. There is a presumption that the sheriff has acted in good faith to comply with the provisions of the Oklahoma Self-Defense Act and any alleged violation of the provisions of this section shall require proof beyond a reasonable doubt.
Okla. Stat. tit. 21, § 1290.20