In addition, in odder to introduce Ikkoku heikinyaku (taxes and labor uniformly imposed on shoen and provincial land in a province) as well as to decide on target lands for Manor Regulation Acts, the kokuga began to intervene into rice fields that were recognized to have fuyu no ken.
また、一国平均役の導入や荘園整理令の対象地の確定を巡って不輸と認定された田地においても国衙の介入が行われるようになった。