Missouri Laws > § 491.693 Missouri Laws 491.693 – Testimony to be under oath Current as of: 2023 | Check for updates | Other versions Terms Used In Missouri Laws 491.693Oath: A promise to tell the truth.Testimony: Evidence presented orally by witnesses during trials or before grand juries. All testimony taken under sections 491.675 to 491.693 shall be under oath. Previous sectionNext section Chapter 491 Contents