Introduction / Lawrence Scheinman -- Resolution 1540 in Latin America and the ole of the Organization of American States / Monica Herz -- Facilitating implementation of Resolution 1540 in South-East Asia and the South Pacific / Tanya Ogilvie White -- Implementing Resolution 1540 in Africa: balancing competing priorities / Jean du Preez and Dominique Dye. The role African regional and subregional organizations in implementing Resolution 1540 -- Conclusion / Lawrence Scheinman.