In1185, MINAMOTO no Yoritomo asked the Imperial Court for permission to place Shugo and Jito (military governor and estate steward) and got the Bunji imperial sanction, and at the same time, he also gained a right to collect five sho (about 9 liter) of military provisions of rice from every one tan (an old unit showing the area of land of 300 tsubo; 991.7 square meters) of rice paddy of Shoen (manor in medieval Japan) and Kokugaryo (territories governed by provincial government office).
文治元年（1185年）に源頼朝が守護・地頭の設置求めて文治の勅許を受けると、同時に荘園・国衙領の田1段から兵粮米5升を徴収する権利を得た。