Sub-branch of law as a legal phenomenon (on the basis of public communications law)

The article reveals the notion of sub-branch of law as a legal phenomenon and the element of legal system. The review of understanding of a sub-branch of law is given. The conclusion on the fact, that one can judge of a sub-branch of law when followed criteria, is made. These criteria are the following: subbranch includes the set of uniform institutions integrated into a sub-branch within a specific sector of law characterized by peculiar features and fungible isolation; among the components of a sub-branch there is a common institution, groups of institutions, general provisions for the institutions of a subbranch legally stated or general standards association; uniformity of public relations united into a sub-branch, at the same time there should be a diversity of public relations; a sub-branch is characterized by a high level of specialization and differentiation of its legal institutions.