Idaho Rules of Evidence – 2026

Rule 101 Title and Scope Rule 102 Purpose and Construction Rule 103 Rulings on Evidence Rule 104 Preliminary Questions Rule 105 Limiting Evidence That Is Not Admissible Against Other Parties or for Other Purposes Rule 106 Remainder of or Related Writings or Recorded Statements Rule 201 Judicial Notice of Adjudicative Facts Rule 301 Presumptions in Civil Cases Generally Rule 302 Applying Federal law to Presumptions in civil cases Rule 303 Presumptions in Criminal Cases Rule 401 Test for Relevant Evidence Rule 402 General Admissibility of Relevant Evidence Rule 403 Excluding Relevant Evidence for Prejudice, Confusion, Waste of Time, or Other Reasons Rule 404 Character Evidence; Crimes or Other Acts Rule 405 Methods of Proving Character Rule 406 Habit; Routine Practice Rule 407 Subsequent Remedial Measures Rule 408 Compromise Offers and Negotiations Rule 409 Offers to Pay Medical and Similar Expenses Rule 410 Pleas, Plea Discussions, and Related Statements Rule 411 Liability Insurance Rule 412 Sex Crime Cases; Relevance of Alleged Victim's Past Sexual behavior Rule 413 Proceedings of Medical Malpractice Screening Panels Rule 414 Expressions of Condolence or Sympathy Rule 501 Privileges Recognized only as Provided Rule 502 Lawyer-Client Privilege Rule 503 Physician and Psychotherapist-Patient Privilege Rule 504 Husband-Wife Privilege Rule 505 Religious Privilege Rule 506 Political Vote Rule 507 Conduct of Mediations Rule 508 Secrets of State and Other Official Information; Governmental Privileges Rule 509 Identity of Informer Rule 510 Waiver of Privilege by Voluntary Disclosure Rule 511 Privileged Matter Disclosed Under Compulsion or Without Opportunity to Claim Privilege Rule 512 Comment Upon or Inference From Claim of Privilege; Instruction Rule 513 Lawyer May Exercise Claim of Privilege Rule 514 Parent-Child; Guardian or Legal Custodian-Ward Privilege Rule 515 Accountant-Client Privilege Rule 516 School Counselor-Student Privilege Rule 517 Licensed Counselor-Client Privilege Rule 518 Licensed Social Worker-Client Privilege Rule 519 Hospital, In-Hospital Medical Staff Committee and Medical Society Privilege Rule 520 Medical Malpractice Screening Panel Privilege Rule 601 Competency to Testify in General Rule 602 Need for Personal Knowledge Rule 603 Oath or Affirmation to Testify Truthfully Rule 604 [Untitled] 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 or Object Used to Refresh a Witness's Memory Rule 613 Witness's Prior Statement Rule 614 Court's Calling or examining of Witnesses Rule 615 Excluding Witnesses Rule 701 Opinion Testimony by Lay Witnesses Rule 702 Testimony by Expert Witnesses Rule 703 Bases of an Expert's Opinion Testimony Rule 704 Opinion on an Ultimate Issue Rule 705 Disclosing the Facts or Data Underlying an Expert's Opinion Rule 706 Court-Appointed Expert Witnesses Rule 801 Definitions That Apply to This Article; Exclusions from Hearsay Rule 802 Hearsay Rule Rule 803 Exceptions to the Rule Against Hearsay - Regardless of Whether the Declarant is Available as a Witness Rule 804 Exceptions to the Rule Against Hearsay - When the Declarant Is Unavailable as a Witness Rule 805 Hearsay Within Hearsay Rule 806 Attacking and Supporting the Declarant's Credibility Rule 901 Authenticating or Identifying Evidence Rule 902 Evidence That Is Self-Authenticating Rule 903 Subscribing Witness's Testimony Rule 904 Authentication of medical or dental tests and test results for diagnostic or treatment purposes Rule 1001 Definitions That Apply to This Article Rule 1002 Requirement of the Original Rule 1003 Admissibility of Duplicates Rule 1004 Admissibility of Other Evidence of Contents Rule 1005 Copies of Public Records to Prove Content Rule 1006 Summaries to Prove Content Rule 1007 Testimony or Statement of a Party to Prove Content Rule 1008 Functions of the Court and Jury