1. Those declared exempt from responsibility pursuant to Article 20, paragraph 3, may be subject, if necessary, to placement in a special education center or any other measure provided for in Article 96, paragraph 3. Placement may not exceed the length of the prison sentence that would have been imposed had the individual been found responsible, and the Judge or Court shall set this maximum limit in the judgment.
2. Individuals subject to this measure may not leave the establishment without authorization from the sentencing Judge or Court, in accordance with the provisions of Article 97 of this Code.
3. In this case, the proposal referred to in Article 98 of this Code shall be made at the end of each course or grade level of education.