As fudokoku (staples for an emergency), it was stored in shoso in kokuga (provincial government office compounds) and gunga (county government offices) (the ideal amount was 30 years' worth of denso [rice field tax] income [equivalent to yearly yield]).
不動穀として、国衙や郡衙の正倉に貯蔵する（理想として、田租収入30年分（年間収穫量に匹敵）の備蓄が想定されていた）。