Then, during the subjugation of Ezo (northerners), solders were allowed to supply food from Togoku (eastern part of Japan, particularly Kanto region) and "the Engishiki" (an ancient book for codes and procedures on national rites and prayers) provided that 40 thousand tsuka (bundle) of suiko (government loans, often seed rice, made to peasants in Japan from the 7th through 12th centuries) of Nagato Province is allotted for the military provisions.
そこで、蝦夷討伐に際しては東国からの調達が許され、『延喜式』においては長門国の出挙4万束が兵粮料として充てることが定められている。