President of the European Council extended his influence into financial policy, the most important area left to the rotating Council presidency, with the rotating presidency seeing a greater decrease in power than previously planned. Many of the changes introduced with the Lisbon Treaty need concretion through practical implementation by the current actors. The Spanish presidency unsuccessfully tried to challenge the European Council president's prominent post during the first rotating presidency of 2010, while the second half of the year saw a Belgian rotating presidency marked by a weakened caretaker government which did not challenge Herman van Rompuy, himself a Belgian politician. The Belgian rotating presidency
Prime Minister of the Netherlands Minister also has some functions in international affairs, attending the European Council every six months and maintaining bilateral contacts. The Prime Minister's office is a hexagon shaped tower, named "The Little Tower" (Torentje), in the Binnenhof in The Hague. The official residence (which is only used for official functions) is the Catshuis; the last Prime Minister to live in the Catshuis was Dries van Agt. Incumbent Mark Rutte lives in a flat downtown The Hague. The Prime Minister has no security detail. Conventionally, the party with the largest number of seats in the lower house ("Tweede Kamer" – literal translation