This paper opens up the concept of „deconstruction “of administrative states in the USA as its representative example. Starting from the domination of a modern administrative state, the full picture of modern constitutionalism in the USA must include administrative constitutionalism as overall understanding and interpretation of a modern administrative state and its structure by agencies and other active participants in administrative law. Administrative constitutionalism is today one of the most intensively studied subjects of investigation of comparative constitutional and administrative law. The reason for exegesis of this issue is not only its various dimensions but also the fact that it represents the main mechanism which today elabora...