A documentary form of Ronso was stipulated in Daijokan-so as to start with an opening sentence 'Daijokan kashiko mosu'(Daijokan has much pleasure in this writing), being accompanied by signatures of Daijo-daijin (the Grand Minister of State) and other legislatures including ministers and dainagon (Chief Councilors of State), and then followed by Sobun (a report to the throne), thus taking a form to report collective opinions of all legislatures of Daijokan.
書式上においては、「太政官謹奏（かしこもうす）其事」と書き出し、続いて太政大臣以下の各大臣・大納言ら各議政官が連署してその次に奏文を書くという太政官議政官の総意による奏上の形式を採った。