Colorado Revised Statutes

Colo. R. Evid. 603 (2026)

Oath or Affirmation

✓ current as of July 2026
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Before testifying, every witness shall be required to declare that the witness will testify truthfully, by oath or affirmation administered in a form calculated to awaken the witness’s conscience and impress on the witness’s mind the duty to do so.

Amended by Rule Change 2025(05), adopted January 16, 2025, effective immediately.