Where, pursuant to articles 41-4,41-6,99,706-153 and 778 or any other legislative provision, the president of the investigating chamber is competent to rule alone on an application, appeal or dispute, he shall rule within a reasonable time and in compliance with the adversarial process, after having received the written observations of the public prosecutor and the parties.
Unless the law provides otherwise, the decision of the president of the investigating chamber may be appealed to the Supreme Court in the event of excess of power.