Uzbekistan's official commercial exchange rate plunged from 920 soms per dollar to 1,400 soms per dollar on 15 April as banks set their exchange rates practically to match the real, black-market rate. The black-market rate stands at about 1,450 soms per dollar. Unification of currency exchange rates by the end of June 2002 is a key requirement of the IMF structural reform plan that Tashkent agreed to earlier this year. (Uzreport.com)