And as for regulations about the polishing ratio of junmaishu (sake made without added alcohol or sugar), there was a provision until 2003 that said 'junmaishu shall be made with polishing ratio of 70 percent or less.'
また、純米酒の精米歩合をめぐる法規制として、平成15年（2003年）までは「精米歩合が70％以下のもの」という項目があった。