... For new participaing countries and the countries, starting their activity at the International Astronomy Olympiad (see the Supplementary Instructions N 3 ), presenting the short report is optional. ... According to the IAO-regulations the report to be presented 5 weeks before the application . ... According to the information above the regular deadline for receiving the short reports of Nationals Olympiads of the current year (with a set of all problems used on the National Olympiads) is defined as:...