1. At any time after a defendant is arraigned upon an accusatory instrument other than a felony complaint and before the imposition of sentence, or at any time after a defendant is arraigned upon a felony complaint and before he is held for the action of the grand jury, the court wherein the criminal action is pending must issue an order of examination when it is of the opinion that the defendant may be an incapacitated person. 2. When the examination reports submitted to the court show that each psychiatric examiner is of the opinion that the defendant is not an incapacitated person, the court may, on its own motion, conduct a hearing to determine the issue of capacity, and it must conduct a hearing upon motion therefor by the defendant or by the district attorney. If no motion for a hearing is made, the criminal action against the defendant must proceed. If, following a hearing, the court is satisfied that the defendant is not an incapacitated person, the criminal action against him must proceed; if the court is not so satisfied, it must issue a further order of examination directing that the defendant be examined by different

ncapacitated person, the criminal action against him must proceed; if the court is not so satisfied, it must issue a further order of examination directing that the defendant be examined by different psychiatric examiners designated by the director. 3. When the examination reports submitted to the court show that each psychiatric examiner is of the opinion that the defendant is an incapacitated person, the court may, on its own motion, conduct a hearing to determine the issue of capacity and it must conduct such hearing upon motion therefor by the defendant or by the district attorney. 4. When the examination reports submitted to the court show that the psychiatric examiners are not unanimous in their opinion as to whether the defendant is or is not an incapacitated person, or when the examination reports submitted to the superior court show that the psychiatric examiners are not unanimous in their opinion as to whether the defendant is or is not a dangerous incapacitated person, the court must conduct a hearing to determine the issue of capacity or dangerousness.