(4) In the event that the obligations referred to in paragraph 2 of this Article are not fulfilled, the court may substitute the imposed measure of intensified supervision with some other educational measure. (5) In ordering the obligations referred to in paragraph 2 of this Article, the court shall alert a juvenile to the consequences referred to in paragraph 4 of this Article. Article 94 Committal to Educational Institution (1) The court shall impose the educational measure of committal to an educational institution on a juvenile who has to be submitted to lasting supervision on the part of trained educators in the institution for the education of juveniles. (2) The juvenile shall remain in the educational institution for a term not shorter than six months and not longer than three years. When imposing this measure, the court shall not determine its duration, but shall subsequently decide thereupon (Article 97, Discontinuance and Modification of Decision on Educational Measures, paragraph 2 of this Code). Article 95 Committal to an Educational-Reformatory Home (1) The court shall impose the educational measure of committal to an educational-reformatory home for juvenile perpetrators to a juvenile to whom intensified reformatory measures have to be applied. (2) In deciding whether to impose the educational measure referred to in paragraph 1 of this Article, the court shall take into particular consideration the gravity and nature of the criminal offence perpetrated, as well as the circumstance whether educational measures or juvenile imprisonment have already been imposed on the juvenile. (3) The juvenile shall remain in the educational-reformatory home for a term not shorter than one year or longer than five years. When imposing the educational measure referred to in paragraph 1 of this Article, the court shall not determine its duration, but shall subsequently decide thereupon (Article 97, Discontinuance and Modification of Decision on Educational Measures, paragraph 2 of this Code). Article 96 Committal to Another Training Institution (1) To a juvenile whose mental or physical development is impeded the court may impose the educational measure of committal to another training institution in lieu of the educational measure of committal to an educational institution or the educational measure of committal to an educational-reformatory home. (2) The juvenile shall remain in the training institution as long as necessary for his medical treatment or rehabilitation, but when the juvenile comes of age the need for his further stay in the institution shall be reassessed. Article 97 Discontinuance and Modification of Decisions on Educational Measures (1) If after the decision on imposing an educational measure of intensified supervision or an institutional educational measure, circumstances appear which had not existed at the time of the decision or had then been unknown, but might have affected the making of the decision, the enforcement of the measure imposed may be discontinued, or the measure imposed may be substituted with another educational measure of intensified supervision or an institutional educational measure. (2) In addition to the cases referred to in paragraph 1 of this Article, unless otherwise prescribed for certain measures, the enforcement of educational measures of intensified supervision or institutional educational measures may be discontinued due to the success achieved in the educational process, or these measures may be substituted by other such measures better suited to attainment of the purpose of educational measures. 29