No person shall, within the election enclosure, disclose to any other person how he or she voted; nor shall any person expose his or her ballot to any other person within the election enclosure. A voter may take a digital image or photograph of his or her marked ballot and distribute or share the image via social media or by any other means if performed voluntarily and in compliance with state and federal law. Testimony as to how any individual cast his or her ballot, whether or not said ballot was lawfully cast, shall not be admissible as evidence in any court of law or public hearing in this state.
Okla. Stat. tit. 26, § 7-109