• The main problems of introducing electronic document management at the national level. From the standpoint of system analysis examined the reasons for the lack of interoperability of national systems of digital signatures (NSDS). The methods of the minimax (minimum waste and maximum results) to address interoperability in the infrastructure of EDS within Ukraine and from other states. Main tasks:    * Problems of interoperability NSDS    * Sets the signature to for interoperability NSDS    * E-Society: eGovernment, eID, eHealth, eBanking, eCommerce, eInvoicing, eTrading etc.    * Rationale for the exchange of electronic document formats for electronic documents    * Issues archival storage of electronic documents