Astana. January 23. Kazakhstan Today - The leader of the state Nursultan Nazarbayev suggests introducing compulsory registration of the enterprises in the national economic chamber, the leader of the state said today during the meeting with the members of the board of the National economic chamber of Kazakhstan Union Atameken, the agency reports. On March 24, 2005 the Congress of Entrepreneurs of Kazakhstan in the city of Astana decided to create the national Union of entrepreneurs and employers of Kazakhstan Atameken. The founders and the members of the Union became the leading branch associations of entrepreneurs of Kazakhstan. Atameken Union was officially registered on April 25, 2005. In June, 2007 the National Union of businessmen and employers Atameken was reformed into the same national economic chamber.