After the medieval period, hyoro was collected as part of Ikkoku heikinyaku (taxes and labor uniformly imposed on shoen [manor] and kokugaryo [provincial land] in a province), and especially during the Genpei War, both Heike; the Taira family and Kawachi-Genji (Minamoto clan) imposed military provisions.
中世以後は一国平均役の一環として徴収される例が見られ、特に源平合戦においては平家・河内源氏双方が兵粮米の賦課を行っている。