In 1875, it was declared in Rikkenseitai no Shosho (An imperial edict for the establishment of the constitutional system of government) issued on the initiative of Takayoshi KIDO, 'expand the main idea of Charter Oath…gradually establish constitutional state.'
1875年（明治8年）、木戸孝允の主導により出された立憲政体の詔書で「誓文の意を拡充して...漸次に国家立憲の政体を立て」と宣言。