notification and after prior authorization from the "'Instance Nationale de Protection des Données à Caractère Personnel". The "Instance" shall issue its decision within one month from the application. Article 64: The processing shall not exceed the required time for the realization of the purpose for which it has been carried out. Article 65: When its gives authorization mentioned in the second paragraph of article 63 of the hereby Act, the "Instance" may set the precautions and measures that must be taken to guarantee the protection of personal data related to health. The "Instance" may prohibit the spread of personal data related to health. Section II1-Processing of personal data for scientific research purpose Article 66: The collection or recording of personal data for scientific purposes must be exclusively processed or used for scientific purposes. Article 67: In case where scientific research allows it, the personal data must not reveal the identity of the data subject. Data related to the situation of an identified or identifiable natural person must be distinctly recorded and may not be gathered with the others data related to this person except when they are necessary for research purposes. Article 68: The spread or dissemination of personal data which are under processing as part of scientific research is prohibited, unless the data subject, his heirs or his tutor have given their consent, by any means that leave a written trace or unless it is necessary for presentation of the results of research related to existing events at that time. The provisions of article 28 of the hereby Act shall apply if the data subject is a child. Section IV-Processing of personal data for the purpose of video surveillance Article 69: Without prejudice to the legislation in force, a prior authorization of the The National Authority for Protection of Personal Data. is required for the use of video surveillance means. The Instance shall issue its decision within one month from the date of receipt of the application. Article 70: The use of the video surveillance means mentioned in the previous article must be restricted to the following places: 14