Although it was originally intended for the Daijokan chuke to be administered jointly by the Shonagon and Benkan bureaus, it ended up being solely administered by the Benkan bureau once the Shonagon and Shonagon bureau lost their substance due to the establishment of the Kurododokoro (Board of Archivists).
また、本来太政官厨家は少納言局と弁官局が共同で管理することになっていたが、蔵人所の設置で少納言及び少納言局の職掌が形骸化すると、専ら弁官局が管理するようになった。