In February, 939, Zuryo Okiyo-o (Prince Okiyo), the newly assigned governor for Musashi Province, and MINAMOTO no Tsunemoto entered Adachi County to take over the land immediately after they assigned to the area, and Takeshiba opposed them saying, 'in Musashi Province, there are no previous precedents in which gonkan (supernumerary position) enters a county before the assignment of 正官の守.'
天慶2年（939年）2月、武蔵国へ新たに赴任した受領興世王と介源経基が、赴任早々に収奪を目的とし足立郡内に入ってきたため、武芝は「武蔵国では、正官の守の着任前に権官が国内の諸郡に入った前例はない」として、これに反対。