Within one month of being notified of the committee’s unfavourable opinion, the sponsor may use the information system for research involving the human person to request that his dossier be re-examined by another committee. The sponsor must inform the competent authority. Such a request may only be made once. The newly appointed committee will examine the request under the conditions laid down in article R. 1123-23. A member of the committee which issued the unfavourable opinion may not sit on the committee which re-examines the application.