This publication is a resource for assessing the adequacy of national legal frameworks governing the peaceful uses of nuclear energy. It provides practical guidance for governments in enhancing their laws and regulations, in harmonizing them with internationally recognized standards, and in meeting their obligations under relevant international instruments. This handbook contains concise and authoritative information for teachers (lawyers, scientists, engineers, health and radiation protection workers, and government administrators) on the basic elements of a framework for managing and regulating nuclear energy.