Even if they tried to produce good quality sake, it was difficult for them to get enough materials because the rice for sake brewing was received only through the ration system under the food-control system which was established in 1942 and issued rice and grain passbooks to public.
良質な酒を生産しようと志しても、いまだ昭和17年（1942年）に制定された食糧管理制度の下に国民には米穀通帳（べいこくつうちょう）が発行され、酒造米も配給制となっていたために、満足のゆく原料の調達が困難であった。