Table of Contents Introduction Page 1 I. General presentation of missions I-A. Definition, aim and types of investigation missions 2 I-B. Initiative and composition of investigation missions 3 II. Preparation of investigation missions of the ACERWC 5 II-A Preliminary mission report 5 II-B Logistics 6 III Functioning of investigation missions III-A Contents and procedure of investigation missions 8 III-B Guiding principles of Investigation missions IV Report, publication and follow-up of investigation missions 2 2 8 9 10 IV-A Preparation of mission report 10 IV-B Publication of mission report 12 IV-C Follow-up of missions 13 Appendix 1 15 Appendix 2 16