ARS 13-4509: Expert’s report
The complete text of A.R.S. § 13-4509 on expert’s report, and how this section is used in Arizona criminal cases. It defines terms and procedure rather than creating an offense.
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What § 13-4509 Sets Out
A.R.S. § 13-4509 is the Arizona statute on expert’s report. It sets out procedure and rules rather than defining an offense, so no offense class or sentence attaches to this section on its own.
A. An expert who is appointed pursuant to section 13-4505 shall submit a written report of the examination to the court within ten working days after the examination is completed. The report shall include at least the following information:
- The name of each mental health expert who examines the defendant.
- A description of the nature, content, extent and results of the examination and any test conducted.
- The facts on which the findings are based.
- An opinion as to the competency of the defendant.
Full Text of A.R.S. § 13-4509
A. An expert who is appointed pursuant to section 13-4505 shall submit a written report of the examination to the court within ten working days after the examination is completed. The report shall include at least the following information:
1. The name of each mental health expert who examines the defendant.
2. A description of the nature, content, extent and results of the examination and any test conducted.
3. The facts on which the findings are based.
4. An opinion as to the competency of the defendant.
B. If the mental health expert determines that the defendant is incompetent to stand trial, the report shall also include the following information:
1. The nature of the mental disease, defect or disability that is the cause of the incompetency.
2. The defendant’s prognosis.
3. If requested by the state, whether the defendant should be considered dangerous and the nature of the mental illness, disease or defect that makes the defendant likely to be dangerous.
4. The most appropriate form and place of treatment in this state, based on the defendant’s therapeutic needs and potential threat to public safety.
5. Whether the defendant is incompetent to refuse treatment and should be subject to involuntary treatment.
6. Whether the defendant has a history of any dangerous conduct.
C. If the mental health examiner determines that the defendant is currently competent by virtue of ongoing treatment with psychotropic medication, the court, in its discretion, may appoint a mental health expert who is a physician to address the necessity of continuing that treatment and any limitations that the medication may have on competency.
D. A mental health expert who is appointed pursuant to section 13-4521 shall submit a written report of the examination to the court within ten working days after the examination is completed. The report shall include at least the following information:
1. The name of each mental health expert who examined the defendant.
2. A description of the nature, content, extent and results of the examination and any test conducted.
3. The facts on which the findings are based.
4. An opinion as to whether the defendant should be considered dangerous, including the nature of the mental illness, disease or defect that makes the defendant likely to be dangerous and the defendant’s prognosis.
5. The most appropriate form and place of treatment in this state, based on the defendant’s therapeutic needs and potential threat to public safety.
Source: Arizona Revised Statutes § 13-4509, Arizona Legislative Council revision of 09/19/25. Read the official text on azleg.gov. Statutes change; verify the current version before relying on it.
How § 13-4509 Affects an Arizona Case
§ 13-4509 usually matters because of how it interacts with the charge someone is actually facing. We read it alongside the charging statute, because a definition or a procedural rule frequently decides what the State must prove, what a judge may impose, or what relief is available afterward.
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Frequently Asked Questions
What is A.R.S. § 13-4509?
A.R.S. § 13-4509 is the Arizona statute on expert’s report. It sets out rules that apply across Arizona criminal cases rather than defining a single offense.
Where can I read the official text of § 13-4509?
The Arizona Legislature publishes it at azleg.gov, in the revision dated 09/19/25. The complete text is reproduced on this page, and every Arizona criminal statute is searchable on our Arizona Criminal Code index.
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