Kendenken (right to survey land) belonged to Kokuga and Kokukendenshi (inspector) would often enter the fields to collect Kanmotsu and the rights of the Kyunushi to the Kokuga were often unstable.
検田権は国衙の側にあり、官物徴収のため国検田使の入部も多く、給主の権利は国衙に対して不安定だった。