From that point on, when a person holding the post of Goi no Kurodo was promoted to the Fourth Rank, or when a person holding the post of Rokui no Kurodo (Chamberlain of Sixth Rank) was promoted to the Fifth Rank, rather than being allowed to remain as Kurodo with a new rank, their court rank and Kurodo posts became inseparable and the posts of Goi no Kurodo and Rokui no Kurodo were regarded as the names of official posts.
これ以後、五位蔵人が四位に、六位蔵人が五位に昇進した場合が、新しい位階のまま蔵人に留まることは許されず、位階と蔵人の職が不可分のものとなり、五位蔵人及び六位蔵人は官職名とみなされるようになった。