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New York · Through 2026-09-11

N.Y. Criminal Procedure Law § 250.10: Notice of intent to proffer psychiatric evidence; examination of defendant upon application of prosecutor

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Where this section sits in the code
  1. Criminal Procedure Law
  2. Part 2. The Principal Proceedings
  3. Title J. Prosecution of Indictments In Superior Courts--plea to Sentence
  4. Article 250. Pre-trial Notices of Defenses

§ 250.10 Notice of intent to proffer psychiatric evidence; examination

of defendant upon application of prosecutor.

1. As used in this section, the term "psychiatric evidence" means:

(a) Evidence of mental disease or defect to be offered by the

defendant in connection with the affirmative defense of lack of criminal

responsibility by reason of mental disease or defect.

(b) Evidence of mental disease or defect to be offered by the

defendant in connection with the affirmative defense of extreme

emotional disturbance as defined in paragraph (a) of subdivision one of

section 125.25 of the penal law and paragraph (a) of subdivision two of

section 125.27 of the penal law.

(c) Evidence of mental disease or defect to be offered by the

defendant in connection with any other defense not specified in the

preceding paragraphs.

2. Psychiatric evidence is not admissible upon a trial unless the

defendant serves upon the people and files with the court a written

notice of his intention to present psychiatric evidence. Such notice

must be served and filed before trial and not more than thirty days

after entry of the plea of not guilty to the indictment. In the

interest of justice and for good cause shown, however, the court may

permit such service and filing to be made at any later time prior to the

close of the evidence.

3. When a defendant, pursuant to subdivision two of this section,

serves notice of intent to present psychiatric evidence, the district

attorney may apply to the court, upon notice to the defendant, for an

order directing that the defendant submit to an examination by a

psychiatrist or licensed psychologist as defined in article one hundred

fifty-three of the education law designated by the district attorney. If

the application is granted, the psychiatrist or psychologist designated

to conduct the examination must notify the district attorney and counsel

for the defendant of the time and place of the examination. Defendant

has a right to have his counsel present at such examination. The

district attorney may also be present. The role of each counsel at such

examination is that of an observer, and neither counsel shall be

permitted to take an active role at the examination.

4. After the conclusion of the examination, the psychiatrist or

psychologist must promptly prepare a written report of his findings and

evaluation. A copy of such report must be made available to the district

attorney and to the counsel for the defendant. No transcript or

recording of the examination is required, but if one is made, it shall

be made available to both parties prior to the trial.

5. If the court finds that the defendant has willfully refused to

cooperate fully in the examination ordered pursuant to subdivision three

of this section it may preclude introduction of testimony by a

psychiatrist or psychologist concerning mental disease or defect of the

defendant at trial. Where, however, the defendant has other proof of his

affirmative defense, and the court has found that the defendant did not

submit to or cooperate fully in the examination ordered by the court,

this other evidence, if otherwise competent, shall be admissible. In

such case, the court must instruct the jury that the defendant did not

submit to or cooperate fully in the pre-trial psychiatric examination

ordered by the court pursuant to subdivision three of this section and

that such failure may be considered in determining the merits of the

affirmative defense.

Collected 2026-09-14T19:32:44Z. Source file · JSON

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