This document presents case studies for use in FAO regional and subregional workshops to enhance national capacity to elaborate National Plans of Action to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated fishing (NPOAs-IUU), in accordance with the FAO international Plan of Action to Prevent, Deter and Eliminate IUU Fishing. Two model case studies are provided to show how States may develop and implement NPOA-IUUs. One case study relates to coastal States, and the other to s mall island developing States. The