1.All the provisions referred to in Annexes A and B to the Agreement and any act constituting a further development of one or more of these provisions, shall apply to the Swiss Confederation, in its relations with Kingdom of Belgium, the Czech Republic, the Kingdom of Denmark, the Federal Republic of Germany, the Republic of Estonia, the Hellenic Republic, the Kingdom of Spain, the French Republic, the Italian Republic, the Republic of Latvia, the Republic of Lithuania, the Grand Duchy of Luxembourg, the Republic of Hungary, the Republic of Malta, the Kingdom of the Netherlands, the Republic of Austria, the Republic of Poland, the Portuguese Republic, the Republic of Slovenia, the Slovak Republic, the Republic of Finland, and the Kingdom of Sweden as from 12 December 2008.To the extent that those provisions regulate the abolition of checks on persons at internal borders, they shall apply as from 29 March 2009 to air borders. The Council may decide to defer this date, acting by a simple majority of the Members of the Council representing the governments of the Member States to which the provisions of the Schengen acquis regulating the abolition of checks on persons at internal borders apply. In that case, a new date shall be set by the Council, acting by unanimity of those Members.All restrictions on the use of the Schengen Information System by the Member States concerned shall be lifted as from 8 December 2008.