Opinion of the European Central Bank of 3 October 2002 at the request of the Council of the European Union concerning a proposal for a regulation of the European Parliament and of the Council amending Council Regulation (EC) No. 2223/96 with respect to the delays of transmission of the main aggregates of national accounts, to the derogations concerning the transmission of the main aggregates national accounts and to the transmission of employment data in hours worked (CON/2002/25) (2002/C 253/09)