Incidentally, a Retired Emperor or a Cloistered Retired Emperor (so-called 'Chiten no kimi') who pulled the strings behind the scenes also used the kuzen for issuing an order to the Daijokan.
なお、後には院政を行う太上天皇・太上法皇（いわゆる「治天の君」）が太政官に対して命令を発する時も口宣が用いられた。