Corrigendum to Regulation (EC) No 1928/2006 of the European Parliament and of the Council of 20 December 2006 on amending Council Regulation (EEC) No 571/88 on the organisation of Community surveys on the structure of agricultural holdings, as regards the financial framework for the period 2007-2009 and the maximum Community contribution for Bulgaria and Romania ( OJ L 406, 30.12.2006 )