Article I-54 The Union's own resources
1. The Union shall provide itself with the means necessary to attain its objectives and carry through its policies.
2. Without prejudice to other revenue, the Union's budget shall be financed wholly from its own resources.
3. A European law of the Council shall lay down the provisions relating to the system of own resources of the Union. In this context it may establish new categories of own resources or abolish an existing category. The Council shall act unanimously after consulting the European Parliament. That law shall not enter into force until it is approved by the Member States in accordance with their respective constitutional requirements.
4. A European law of the Council shall lay down implementing measures of the Union's own resources system insofar as this is provided for in the European law adopted on the basis of paragraph 3. The Council shall act after obtaining the consent of the European Parliament.
