The innevitable conclusion to this (after plenty of willy waggling and insisting that Brexit meant taking back sovereignty whilst also now inisting the EU doesn

The innevitable conclusion to this (after plenty of willy waggling and insisting that Brexit meant taking back sovereignty whilst also now inisting the EU doesn't have soveriegnty) is that you can cover the diplomats as representatives from their home countries. So Joao Vale de Almeida will just be a Portugese diplomat serving in his role in the EU.