Changes made by Commission Regulation (EC) No 1792/2006 of 23 October 2006 adapting certain regulations and decisions in the fields of free movement of goods, freedom of movement of persons, competition policy, agriculture (veterinary and phytosanitary legislation), fisheries, transport policy, taxation, statistics, social policy and employment, environment, customs union, and external relations by reason of the accession of Bulgaria and Romania: Commission Regulation (EC) No 2139/2004 of 8 December 2004 adapting and implementing Council Regulation (EEC) No 571/88 and amending Commission Decision 2000/115/EC with a view to the organisation of Community surveys on the structure of agricultural holdings in 2005 and 2007