On January 17, 1874, five days after establishing the Aikokukoto Party, eight people, Taisuke ITAGAKI (former Sangi councilor), Shojiro GOTO (Former Sangi councilor), Shinpeo ETO (Former Sangi councilor), Taneomi SOEJIMA (Former Sangi councilor), Kimimasa YURI (Former Governor of Tokyo Prefecture), Kenzaburo OKAMOTO (Former Okura-sho Taijo [Senior Secretary of the Ministry of the Treasury]), drafter Shigeru FURUSAWA and Shinobu KOMURO presented the 'Minsen Giin Setsuritsu Kenpaku Sho' to the Council of the Left in their joint names.
愛国公党を結成して5日後の1874年1月17日、板垣退助（前参議）、後藤象二郎（前参議）、江藤新平（前参議）、副島種臣（前参議）、由利公正（前東京府知事）、岡本健三郎（前大蔵省大丞）、および起草者の古沢滋、小室信夫の8名は、連名で民撰議院設立建白書を左院に提出した。