3. They shall also visit detention or rehabilitation centres for children, schools, hospitals, refugee camps, if need be, and any other centre that will enable a fair assessment of the situation of children in the country. Article 17: 1. Common procedures Whenever possible, investigation missions shall visit the rural areas of the country and shall hold discussions with local government authorities, local authorities of institutions responsible for children, community organizations and local populations including children. 2. Mission members shall take notes at each meeting or visit, including the date, time, names and posts of persons met and subjects discussed. Notes of the meetings should be as complete and as detailed as possible. 3. Mission members shall meet, if possible, at the end of each day in order to report on activities carried out and the problems faced with a view to facilitating the preparation of the mission report. They shall also consider possible difficulties of the current programme that they could face and ways to resolve them. B. GUIDING PRINCIPLES OF INVESTIGATION MISSIONS Article 18: Principles relating to mission members. 1. The investigation mission shall be conducted in total impartiality and independence. 2. Mission members shall strive to obtain any and all information necessary for their investigation. 3. The mission shall moreover have the obligation to act in conformity with its mandate. All mission members shall have the duty to participate actively in all activities envisaged by the mandate, including individual participation. 9