Naoyuki NAGAI, Ometsuke (chief inspector) of the bakufu, interrogated the representative of Choshu to determine the sanctions, and appointed Nagamichi OGASAWARA as the plenipotentiary to deliver the ultimatum to Choshu, but the Choshu side postponed the reply to prepare for engaging the enemy.
幕府は大目付永井尚志が長州代表を尋問して処分案を確定させ、老中小笠原長行を全権に内容を伝達して最後通牒を行うが、長州は回答を引き延ばして迎撃の準備を行う。