Taxonomy upgrade extras evidence Rule 601. Competency to Testify in General Rule 602. Need for Personal Knowledge Rule 603. Oath or Affirmation to Testify Truthfully Rule 604. Interpreter Rule 605. Judge’s Competency as a Witness Rule 606. Juror’s Competency as a Witness Rule 607. Who May Impeach a Witness Rule 608. A Witness’s Character for Truthfulness or Untruthfulness Rule 609. Impeachment by Evidence of a Criminal Conviction Rule 610. Religious Beliefs or Opinions Rule 611. Mode and Order of Examining Witnesses and Presenting Evidence Rule 612. Writing Used to Refresh a Witness Rule 613. Witness’s Prior Statement Rule 614. Court’s Calling or Examining a Witness Rule 615. Excluding Witnesses ‹ Rule 502. Attorney-Client Privilege and Work Product; Limitations on Waiver up Rule 601. Competency to Testify in General ›