Abstract: Article in general is devoted to providing with representatives "the prosecutor's position" uniform performance of the legislation in board of "Monarchess Imperatritsy" of Anna Ioannovna. An object of research are the regularities connected with change of boards in the Russian Empire; definition of a place of board of "Monarchess Imperatritsy" of Anna Ioannovna in system of boards in the Russian Empire; ensuring uniform performance of the legislation; the list of offices and positions, in them consisting; a role of separate offices and positions, in them consisting in ensuring uniform performance of the legislation in the Russian Empire; a priority of a position of the prosecutor in ensuring uniform performance of the legislation; a ratio of a position of the prosecutor with other positions (the sneak's position, a position of a reketmeyster, etc.) . Method of research I became historical and legal, allowed to define system of legalizations of the Russian Empire on the basis of which conclusions were formulated. The author in the course of research drew the following conclusions: The "Supreme" power in board of "Monarchess Imperatritsy" of Anna Ioannovna appeared less effective in comparison with board of "Sovereign Imperator" of Pyotr Alekseevich ("Peter I"). In board of "Monarchess Imperatritsy" of Anna Ioannovna gained development one of negative forms of collective ("substitute") "Supreme" board — "favoritism". When reforming system of offices what carried out the activity secretly took advantage ("Office of Secret search affairs"). The position of the prosecutor was reanimated. And, it wasn't allowed identifications of this "position" with corresponding "office". The duty of ensuring uniform performance of the legislation was assigned to representatives of "the prosecutor's position".