11. Today the Monarch has an essentially letters of credence for foreign ambassadors and signs those for Danish ambassadors. 12. Ambassadors carry formal letters of credence from their head of state, addressed to the host country's head of state. 13. Ambassador Cerar presented his letter of credence to U . S . President Barack Obama on September 17, 2013. 14. He presented his Letters of Credence to the Holy See in September 2001 where he retired from in 2004. 15. Arnall was installed as ambassador on March 8, 2006 when Queen Beatrix of the Netherlands received Arnall's letters of credence . 16. On 19 September 2016 she presented her Letters of Credence to Pope Francis, beginning her mission to the Holy See. 17. Her Holy See appointment was formalised by Pope Benedict XVI on 18 May 2006 when he accepted her letters of credence . 18. The presentation of letters of credence is often an elaborate ceremony, and serves as an official welcome to the new ambassador. 19. Galanxhi accepted this position, moved to Washington, DC and bestowed his Letter of Credence on February 23, 2011 to President Barack Obama. 20. She presented her Letters of Credence to Pope Benedict XVI on February 29, 2008, and resigned her office effective January 19, 2009.