During the time between the beginning of the internal disturbances between the Northern and Southern Courts and the shitaji chubun (the territorial division of the land, shoen, between competing central and local claimants) which was handled according to the Jisha honjoryo no koto Act, the land and land rights of a large number of kuge-ryo territories outside the capital area (Kyoto and the neighboring regions) were unlawfully seized by local warriors ('bushi') and no longer functioned as chigyo ('fuchigyo'), thus plundered ex-chigyo remained nominal and ceased to be the source of income for its lawful proprietors.
南北朝の内乱から寺社本所領事による下地中分の過程で京都周辺以外の公家領の多くは「不知行」化されて収入が全く入ってこない名目上だけの存在となる。