Characteristics of cooperative ideas of the cooperative legislation and norms of the intra-cooperative regulation of cooperative relations in Ukraine after the proclamation of Ukrainian independence and the adoption of the Laws «On Agricultural Cooperation», «On consumer cooperation», «On Credit Companies», «On Cooperation». The content of cooperative legal relations, organizational-legal forms of the creation, activity, and termination of different types of cooperatives, intra-cooperative relations is proposed. The legal regime of agricultural, consumer, credit, and other types of cooperation is analyzed. The questions of the structure of cooperatives, membership, rights and duties of cooperative members, organizational, labor, property, business, management, and other relations are discussed. The questions concerning the implementation of international cooperation basic principles to Ukrainian legislation, the compliance national cooperation principles with international principles, legislative support for the development of cooperation in Ukraine are raised.