Before testifying, a witness must give an oath or affirmation to testify truthfully. It must be in a form designed to impress that duty on the witness's conscience.
Article VI. Witnesses
Rule 603. Oath or Affirmation to Testify Truthfully
Effective January 1, 2014
Opinions in this dataset that cite Rule 603
No opinion in this dataset is coded as citing this rule.
Source: the Indiana Rules of Evidence, reproduced for browsing. Rule text as supplied, including the amendment to Rule 103(b) effective July 1, 2026 (Order, Cause No. 26S-MS-8); other rules carry their own effective dates. This is an unofficial copy; check the official text before relying on it. Not legal advice.