The substitution of the DEM with the Euro in Yugoslavia will start on December 1, 2001, the National Bank of Yugoslavia said on Feb. 5, 2001. The European Central Bank and other credit institutions in the Euro zone will begin the supply with euros to central banks and credit institutions in countries out of the zone on the same day. Technical details on the substitution in Yugoslavia will be announced after April 1, 2001. Exchange of national currency with the Euro at central banks level will be