Since then, Spain successfully excluded Gibraltar from European wide de-regulation initiatives, such as the Single European Sky programme preventing direct links from Gibraltar to the rest of the European Union (except the United Kingdom), on the grounds that no regulation that somehow recognises the sovereignty of the United Kingdom over the Gibraltar peninsula may be implemented without a previous agreement on the airport.
Sejak itu, Spanyol berhasil mengeluarkan Gibraltar dari inisiatif lebar deregulasi Eropa, mencegah hubungan langsung dari Gibraltar ke negara Uni Eropa lainnya (kecuali Britania Raya), di tempat itu yang tidak memiliki peraturan yang entah bagaimana mengakui kedaulatan Britania Raya atas isthmus may be implemented without a previous agreement on the airport.