It was a measure to prevent a jito from neglecting the payment of nengu (land tax) to the lord of the manor for lengthy periods of time, and ultimately seizing the land for himself on the ground of Nenki, which was added in 1247.
これは地頭が長期に渡って荘園領主への年貢の納入を怠って最終的に年紀を理由に自己のものとする押領行為を防ぐ措置で、宝治元年（1247年）に追加されたものであった。