Before testifying, every witness shall be required to declare that he will testify truthfully, by oath or affirmation administered in a form calculated to awaken his conscience and impress his mind with his duty to do so.
Rule 603. Oath or affirmation.
Neb. Rev. Stat. § 27-603 — under COURTS; RULES OF EVIDENCE.
Neb. Rev. Stat. § 27-603