1. The Board shall recommend interoperability solutions for the cross-border interoperability of trans-European digital public services. Where the Board makes such a recommendation, that solution shall carry the label ‘Interoperable Europe solution’ and shall be published on the Interoperable Europe portal, clearly distinguishing between Interoperable Europe solutions and other solutions. Where the Board withdraws its recommendation the ‘Interoperable Europe solution’ label shall be removed and, where necessary, the solution shall be deleted from the Interoperable Europe portal.