After the Heian period, except for the Azechi in Mutsu Province and Dewa Province, the post was held concurrently with Nagon (Dainagon [chief councilor of state], Chunagon [vice-councilor of state], Shonagon [lesser councilor of state]), Sangi (councillor) and so on, making the post unsubstantial.
平安時代以降は陸奥国・出羽国の按察使だけを残し、納言（大納言・中納言・少納言）・参議などとの兼任となり実体がなくなった。