18 All the leading press organs of the parties in every country have the duty of printing all the important official documents of the Executive Committee of the Communist International. 19 All parties that belong to the Communist International or have submitted an application for membership have the duty of calling a special congress as soon as possible, and in no case later than four months after the Second Congress of the Communist International, in order to check all these conditions. In this connection all party centres must see that the decisions of the Second Congress are known to all their local organisations.