Imperial Japanese Ambassador Extraordinary and Plenipotentiary TO His Excellency the Ambassador Extraordinary and Plenipotentiary of the German Reich Herr Joachim von Ribbentrop" (h) Document 1561D, (Exhibit No* ). "Agreement regarding secrecy of the 'Secret Attached Agreement to the Agreement against the Communist Internationale1 and indosures* "Agreement exists between the two High Contracting States in considering the secret attached Agreement to the Agreement against the Communist Internationale as well as the inclosures I to IV as secret* "If it would be at some time in the interest of the two High Contracting States to inform third states about the contents of the secret agreement, then such an information may only take place upon a mutual under-standing* Berlin, 25 Nov. 1936, i.e* (signed) JOACHIM VON RIBBENTROP 25 Nov* 11 ShowaAmbassador Extraordinary and Plenipotentiary of the German Reich (signed) VISCOUNT KINTOMO MUSHAKOJI, Imperial Japanese Ambassador Extraordinary and Plenipotentiary"