“…We will point out that, several years ago, for the regulation of the electronic document flow between its users, the preliminary contracts were made about the procedure of the document flow and procedures of the conflicts' solutions, the physical keys and certificates interchange took place (Batura, 2016). However, nowadays economics requires the implementation of the legislative significant electronic document flow more effective, without any previous negotiations between parties (Kindt, 2013a;Kindt 2013b).…”