It is said that such requests had been made to the Imperial Court before, but lobbying to the politicians of the Meiji government such as Sanetomi SANJO and Tomomi IWAKURA allowed it to succeed.
それ以前にも度々朝廷に働きかけを行ってきたとされるが、明治政府の三条実美、岩倉具視らへの様々な働きかけが功を奏したとされる。