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Part 901 — Evidence — General Provisions

901.01 Scope
901.02 Purpose and construction
901.03 Rulings on evidence
901.04 Preliminary questions
901.05 Admissibility of certain test results
901.053 Admissibility of evidence relating to use of protective headgear while operating certain motor vehicles
901.055 Admissibility of results of dust testing for the presence of lead
901.06 Limited admissibility
901.07 Remainder of or related writings or statements
901.08 Admissibility of sexual conduct
901.09 Submission of writings; languages other than English

Part 902 — Evidence — Judicial Notice

902.01 Judicial notice of adjudicative facts
902.02 Uniform judicial notice of foreign law act
902.03 County and municipal ordinances; administrative rules of state and federal agencies

Part 903 — Evidence — Presumptions

903.01 Presumptions in general
903.03 Presumptions in criminal cases

Part 904 — Evidence — Relevancy and Its Limits

904.01 Definition of “relevant evidence”
904.02 Relevant evidence generally admissible; irrelevant evidence inadmissible
904.03 Exclusion of relevant evidence on grounds of prejudice, confusion, or waste of time
904.04 Character evidence not admissible to prove conduct; exceptions; other crimes
904.05 Methods of proving character
904.06 Habit; routine practice
904.07 Subsequent remedial measures
904.08 Compromise and offers to compromise
904.085 Communications in mediation
904.09 Payment of medical and similar expenses
904.10 Offer to plead guilty; no contest; withdrawn plea of guilty
904.11 Liability insurance
904.12 Statement of injured; admissibility; copies D
904.13 Information concerning crime victims
904.14 Inadmissibility of statement by health care provider of apology or condolence
904.15 Communication in farmer assistance programs
904.16 Health care reports

Part 905 — Evidence — Privileges

905.01 Privileges recognized only as provided
905.015 Interpreters for persons with language difficulties, limited English proficiency, or hearing or speaking impairments
905.02 Required reports privileged by statute
905.03 Lawyer-client privilege
905.04 Privilege between certain health-care providers and patients
905.045 Domestic violence or sexual assault advocate-victim privilege
905.05 Husband-wife and domestic partner privilege
905.06 Communications to members of the clergy
905.065 Honesty testing devices
905.07 Political vote
905.08 Trade secrets
905.09 Law enforcement records
905.095 Peer support and critical incident stress management services communications
905.10 Identity of informer
905.11 Waiver of privilege by voluntary disclosure
905.12 Privileged matter disclosed under compulsion or without opportunity to claim privilege
905.13 Comment upon or inference from claim of privilege; instruction
905.14 Privilege in crime victim compensation proceedings
905.15 Privilege in use of federal tax return information
905.16 Communications to veteran mentors

Part 906 — Evidence — Witnesses

906.01 General rule of competency
906.02 Lack of personal knowledge
906.03 Oath or affirmation
906.04 Interpreters
906.05 Competency of judge as witness
906.06 Competency of juror as witness
906.07 Who may impeach
906.08 Evidence of character and conduct of witness
906.09 Impeachment by evidence of conviction of crime or adjudication of delinquency
906.10 Religious beliefs or opinions
906.11 Mode and order of interrogation and presentation
906.12 Writing used to refresh memory
906.13 Prior statements of witnesses
906.14 Calling and interrogation of witnesses by judge
906.15 Exclusion of witnesses
906.16 Bias of witness

Part 907 — Evidence — Opinions and Expert Testimony

907.01 Opinion testimony by lay witnesses
907.02 Testimony by experts
907.03 Bases of opinion testimony by experts
907.04 Opinion on ultimate issue
907.05 Disclosure of facts or data underlying expert opinion
907.06 Court appointed experts
907.07 Reading of report by expert

Part 908 — Evidence — Hearsay

908.01 Definitions
908.02 Hearsay rule
908.03 Hearsay exceptions; availability of declarant immaterial D
908.04 Hearsay exceptions; declarant unavailable; definition of unavailability
908.045 Hearsay exceptions; declarant unavailable
908.05 Hearsay within hearsay
908.06 Attacking and supporting credibility of declarant
908.08 Audiovisual recordings of statements of children D

Part 909 — Evidence — Authentication and Identification

909.01 General provision
909.015 General provision; illustrations D
909.02 Self-authentication
909.03 Subscribing witness’ testimony unnecessary

Part 910 — Evidence — Contents of Writings, Recordings and Photographs

910.01 Definitions
910.02 Requirement of original
910.03 Admissibility of duplicates
910.04 Admissibility of other evidence of contents
910.05 Public records
910.06 Summaries
910.07 Testimony or written admission of party
910.08 Functions of judge and jury

Part 911 — Evidence — Miscellaneous Rules

911.01 Applicability of rules of evidence
911.02 Title

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Wisconsin Rules of Evidence

Part 906 · Evidence — Witnesses

Rule 906.01. General rule of competency

Amended (current)

Every person is competent to be a witness except as otherwise provided in these rules.

Source: Wis. Stat. § 906.01

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