"Polygon: Cadastral evaluation" - the program of training of electronic documents to transmit information on the results of cadastral value (the cadastral value and specific indicators of cadastral cost) of the property in the state cadastre of real estate the state authorities and local self-government. The XML file is formed by two XML schemas in the format: COST_*.the xml conforms to the XSD schema STD_Cadastral_Cost and FD_GKO.