Gon no shoku' (a staffing practice not prescribed in the ritsuryo while in reality, 'gon no shoku' did not initially perform any of the corresponding duties, it was set up as an honorary interim job title having the status of "Gon no X" when assigned to someone other than a formal appointee for that job and later when it was made a permanent post, it had the authority equivalent or close to that of the official position) was made a permanent position.
本来は員外配置である「権職（ごんのしょく）」（律令本来の定めにはない運用法で、当初の実態は該当職務を行わないにもかかわらず該当職と同等の待遇とする暫定名誉職位で、正式な○○職任命者以外に任命された『権（ごんの）○○』と呼称する○○職待遇のことであったが、後に常設化されると正職官と同等かそれに近い権限を持つようになった）が、常態化された。