These course materials are from a two-day workshop on how to establish Community-Based Complaints Mechanisms (CBCM). It is aimed at staff who design and implement measures that protect from sexual exploitation and abuse (SEA). It includes a Facilitators Guide, Powerpoint Presentations and Workshop Handouts. The materials include recommended principles and guidelines, as well as lessons learned from InterAction members and other NGOs around the world. It also provides a series of practical exercises and a case study.