Introduction / Lawrence Scheinman -- Resolution 1540 in Latin America and the role 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 of African regional and subregional organizations in implementing resolution 1540 / Johan Bergenas, with Lawrence Scheinman.