Protocol concerning the conditions and arrangements for admission of the Republic of Bulgaria and Romania to the European Union - PART ONE:PRINCIPLES - Article 4
Official Journal L 157 , 21/06/2005 P. 0030 - 0030
1. The provisions of the Schengen acquis, referred to in Protocol No 17 to the Constitution on the Schengen acquis integrated into the framework of the European Union, and the acts building upon it or otherwise related to it, listed in Annex II, as well as any further such acts adopted before the date of accession, shall be binding on and applicable in Bulgaria and Romania from the date of accession.
2. Those provisions of the Schengen acquis as integrated into the framework of the European Union and the acts building upon it or otherwise related to it not referred to in paragraph 1, while binding on Bulgaria and Romania from the date of accession, shall only apply in each of those States pursuant to a European decision of the Council to that effect after verification in accordance with the applicable Schengen evaluation procedures that the necessary conditions for the application of all parts of the acquis concerned have been met in that State.
The Council shall take its decision, after consulting the European Parliament, acting with the unanimity of its members representing the Governments of the Member States in respect of which the provisions referred to in this paragraph have already been put into effect and of the representative of the Government of the Member State in respect of which those provisions are to be put into effect. The members of the Council representing the Governments of Ireland and of the United Kingdom of Great Britain and Northern Ireland shall take part in such a decision insofar as it relates to the provisions of the Schengen acquis and the acts building upon it or otherwise related to it in which these Member States participate.