This working paper is part of a series of eight case study reports on governance transfer by regional organizations around the world. It was prepared in the framework of the SFB 700 project B2, “Exporting (Good) Governance: Regional Organizations and Areas of Limited Statehood”. Together with regional experts, we have investigated how and under which conditions regional organizations prescribe and promote standards for (legitimate) governance (institutions) at the national level. A comparison of major regional organizations shall enable us to evaluate to what extent we can observe the diffusion of a global governance script. Do regional organizations demand and promote similar criteria for “good governance” institutions, or do regional and local particularities prevail? The B2 case study reports present detailed findings for eight regional organizations in Africa, the Americas, Asia, and the Middle East. They cover the African Union (Julia Leininger), the Economic Community of West African States (Christof Hartmann), the Southern African Development Community (Anna van der Vleuten and Merran Hulse), the Organization of American States (Mathis Lohaus), Mercosur (Andrea Ribeiro Hoffmann), the North American Free Trade Agreement (Francesco Duina), the Association of Southeast Asian Nations (Anja Jetschke), and the League of Arab States (Vera van Hüllen). The B2 case study reports rely on a common set of analytical categories for mapping the relevant actors, standards, and mechanisms in two dimensions of governance transfer. First, we examine the prescription of standards and the policies for their promotion (objectives, instruments) that create the institutional framework for governance transfer. Second, we investigate the adoption and application of actual measures. Regarding the actors involved in governance transfer, we are interested in the role of regional actors on the one hand, as standard-setters and promoters, and domestic actors on the other, as addressees and targets of governance transfer. Even though the question of which criteria regional organizations establish for legitimate governance institutions is an empirical one, we relate the content and objectives of governance transfer to the broader concepts of human rights, democracy, the rule of law, and good governance. Finally, we classify different instruments of governance transfer according to their underlying mechanism of influence, distinguishing between (1) litigation and military force (coercion), (2) sanctions and rewards (incentives), (3) financial and technical assistance (capacitybuilding), and (4) fora for dialogue and exchange (persuasion and socialization).