H.E. Sarrath Kongahage, the Ambassador Extraordinary and Plenipotentiary of the Democratic Socialist Republic of Sri Lanka to the Federal Republic of Germany with accreditation to the Swiss Confederation, presented to Ambassador, Lorenzo Schnyder von Wartensee , Head of Protocol of the Department of Foreign Affairs of the Swiss Confederation, the open papers of the Letters of Credence at the Swiss Foreign Ministry on 12 th October 2011.