(8)In accordance with the second subparagraph of Article 3(2) of the 2003 Act of Accession and as a result of the partial application of the Schengen acquis by the United Kingdom of Great Britain and Northern Ireland provided for in Council Decision 2004/926/EC of 22 December 2004 on the putting into effect of parts of the Schengen acquis by the United Kingdom of Great Britain and Northern Irelandnote, and in particular the first subparagraph of Article 1 thereof, only part of the provisions of the Schengen acquis applicable to the Member States concerned in their relations with Member States applying the Schengen acquis in full should apply in the relations of the Member States concerned with the United Kingdom of Great Britain and Northern Ireland.