Early that morning (August 10), the Foreign Ministry sent telegrams to the Allies (by way of the Swiss "Federal Political Department" (Department of Foreign Affairs) and Max Grässli in particular) announcing that Japan would accept the Potsdam Declaration, but would not accept any peace conditions that would "prejudice the prerogatives" of the Emperor.
Dini hari 10 Agustus 1945, Kementerian Luar Negeri mengirimkan telegram ke Sekutu (melalui Departemen Politik Federal Swiss dan khususnya Max Grässli) mengumumkan bahwa Jepang menerima Deklarasi Potsdam tetapi tidak akan menerima syarat-syarat apa pun yang akan "merugikan hak prerogatif" kaisar.