In particular, because Udain (the posthumous name of Emperor Uda) is said to have been involved in the rights for appointment and removal of Kokushi (provincial governor) for Shinano and Musashi Provinces under Ingu bunkoku sei (provincial allotment system), there is another viewpoint that he was also somehow involved in the administration of Chokushimaki.
特に宇多院は信濃・武蔵両国を院宮分国制として国司の任免権にも関与していたと言われているために、勅旨牧の経営に何らかの関与したとする見方もある。