Mitsunari appointed Terumoto MORI as a captain general of the western army and instructed him to enter Osaka Castle on July 17, and he also sent to feudal lords an impeachment letter bearing thirteen articles of the charges signed by three magistrates (Geni MAEDA, Nagamori MASUDA and Masaie NATSUKA).
7月17日、毛利輝元を西軍の総大将として大坂城に入城させ、同時に前田玄以・増田長盛・長束正家の三奉行連署からなる家康の罪状13か条を書き連ねた弾劾状を諸大名に公布した。