Of the two "Kurodo no to" posts, one was assigned mostly to a person at the "Konoe no chujo" post, a post for military officers, and another to a person at the Benkan post, a post for civil officers.
2名の蔵人頭は武官である近衛中将と、文官である弁官の弁官または弁官から1名ずつ選ばれることが多かった。