Protocol on the accession of the Government of the Hellenic Republic to the Agreement between the Governments of the Member States of the Benelux Economic Union, the Federal Republic of Germany and the French Republic on the gradual abolition of controls at their common borders, signed at Schengen on 14 June 1985, as amended by the Protocol signed at Paris on 27 November 1990 on the accession of the Government of the Italian Republic and by the Protocols signed at Bonn on 25 June 1991 on the accession of the Governments of the Kingdom of Spain and the Portuguese Republic