Questions of the law industries interaction are brought up in researches of scientists. However, the due answer about cross-industry communications of the civil law is still absent. Meanwhile there is a need for ensuring balance of civil and labor law regulation of the public relations connected with a labor activity of the person given a contractual shape in the acts and the Constitutional court of the Russian Federation. Development of various forms of communication between people has pushed requirement of providing an opportunity to voluntarily use offered by the legislator or to create legal models in the form of various agreements. The agreement became one of the main methods and instruments of law precepts implementation in public life, the most important means of regulating obligations communications, representing the agreement of its participants without coercion from the outside. In article it is specified that for goal achievement of establishing real system relations regulation on work performance and rendering services it is necessary to provide cross-industry interaction of the civil law with other legal industries, in particular, with labor laws. In this article an author's idea of interaction of the civil law with other industries of the law, contractual regulation, cross-industry communications is analyzed
