Incidentally, it is said that Kogi derived from Kogi-seitai-ron (parliamentary regime theory) that was then widely advocated without regard to anti-Shogunate group or Sabaku-ha (supporters of the Shogun), and Ouetsu-reppan alliance (alliance of strong domains in the northern part of Japan) also used the name of Kogisho (established at Shiraishi castle) for the assembly body of representatives of the domains who opposed to the Meiji Government at Boshin War.
なお、公議とは当時討幕派・佐幕派問わずに広く唱えられた公議政体論に由来すると考えられており、明治政府と戊辰戦争で敵対した奥羽越列藩同盟の諸藩代表による議事機関にも公議所（白石城に設置）の名称が用いられている。