Efutoneri had the right to collect tairomai (rice as food), but in the Engi era (in the 900s), the Imperial Court announced the key policies of depriving the Efutoneri of their vested rights one after another.
衛府舎人は大粮米徴収権の既得権を有していたが、朝廷は延喜年間（900年代）に相次いで衛府舎人の既得権を剥奪する政策を打ち出した。