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Part One

5.   This Article is without prejudice to the provisions of the Protocol integrating the Schengen acquis into the framework of the European Union.

Article K. 13

1.   Articles 137, 138, 138e, 139 to 142, 146, 147, 148(3), 150 to 153, 157 to 163, 191a and 217 of the Treaty establishing the European Community shall apply to the provisions relating to the areas referred to in this Title.

2.   Administrative expenditure which the provisions relating to the areas referred to in this Title entail for the institutions shall be charged to the budget of the European Communities.

3.   Operational expenditure to which the implementation of those provisions gives rise shall also be charged to the budget of the European Communities, except where the Council acting unanimously decides otherwise. In cases where expenditure is not charged to the budget of the European Communities it shall be charged to the Member States in accordance with the gross national product scale, unless the Council acting unanimously decides otherwise.

4.   The budgetary procedure laid down in the Treaty establishing the European Community shall apply to the expenditure charged to the budget of the Europen Communities.

Article K. 14

The Council, acting unanimously on the initiative of the Commission or a Member State, and after consulting the European Parliament, may decide that action in areas referred to in Article K. 1 shall fall under Title IIIa of the Treaty establishing the European Community, and at the same time determine the relevant voting conditions relating to it. It shall recommend the Member States to adopt that decision in accordance with their respective constitutional requirements.'

1. Member States which intend to establish closer cooperation between themselves may make use of the institutions, procedures and mechanisms laid down by this Treaty and the Treaty establishing the European Community provided that the cooperation: