Necessity of Fundamental Changes of Accounting Theory

The purpose of the article is to substantiate the basic provisions of the content and structure of the accounting system, to identify the compliance of the theoretical basis with the task to transform the economic system and to define informational needs of the users it satisfies. It studies the problems of development of the accounting theory and substantiates the necessity to transform it in accordance with the conditions of the social and economic development and formation of the post-industrial society. It proves the necessity to create a new paradigm of accounting, importance of the informational approach to accounting, study of information with the theory of accounting as the basic resource of the enterprise, as the product of the accounting system functioning. The accounting system is represented as able to create information about internal and external environment of the enterprise. In view of the above it requires the formal technique and language of accounting as a science, fundamental methodological principles and methods of creation of information, task of the accounting system in light of contemporarty development of the economy; structure, elements and relations of the system, instruments and methods of each of accounting subsystems. The basic methods used in the research are systematization, grouping and modeling of satiations.