(2)(a) The defendant may not introduce in the defendant’s case in chief expert testimony regarding extreme emotional disturbance under this section unless the defendant gives notice of the defendant’s intent to do so.
(b) The notice required must be in writing and must be filed at the time the defendant pleads not guilty. The defendant may file the notice at any time after the defendant pleads but before trial if the court determines that there was just cause for failure to file the notice at the time of the defendant’s plea.
(c) If the defendant fails to file notice, the defendant may not introduce evidence for the purpose of proving extreme emotional disturbance under ORS 163.115 unless the court, in its discretion, determines that there was just cause for failure to file notice.
(3) After the defendant files notice as provided in subsection (2) of this section, the state may have at least one psychiatrist or licensed psychologist of its selection examine the defendant in the same manner and subject to the same provisions as provided in ORS 161.315.
(4) The discovery of, knowledge about or potential disclosure of the victim’s actual or perceived gender, gender identity, gender expression or sexual orientation, including but not limited to circumstances in which the victim made a romantic or sexual advance that was unwanted but did not involve force toward the defendant, does not constitute a reasonable explanation for an extreme emotional disturbance under this section.
(5) As used in this section, "gender identity" has the meaning given that term in ORS 166.155. [1971 c.743 §90; 1977 c.235 §1; 1981 c.873 §7; 2003 c.127 §1; 2019 c.635 §19; 2021 c.84 §1]