Substantive law is divided into four sections: (a) the four freedoms of movement of persons, goods, services, and capital; (b) all aspects of competition policy; (c) external relations; and (d) specific community policies such as agriculture and social policy. Up-to-date and includes references to the controversial and little-understood principle of subsidiarity and to other changes proposed in the Maastricht Treaty. Each subject contains a valuable and concise introduction followed by the cases. Each case contains a summary of the issues or facts followed by extracts from the judgment and questions, comments, and cross-references including comparative law comments.