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 1925/2004 of 29 October 2004 laying down detailed rules for implementing certain provisions of Council Regulation (EC) No 1798/2003 concerning administrative cooperation in the field of value-added tax