Article 10

The exercise of Union competence through the Trade and Cooperation Agreement shall be without prejudice to the respective competences of the Union and of the Member States in any ongoing or future negotiations for, or signature or conclusion of, international agreements with any other third country, or in relation to any future negotiations for, or signature or conclusion of, any supplementing agreements referred to in Article COMPROV.2 [Supplementing agreements] of the Trade and Cooperation Agreement.