The military services were based neither on the area nor crop yields of of territories, and the military force to mobilize was left to the discretion of each of the immediate vassals of the shogunate.
しかし、これらの軍役は後世のように所領の大きさや収穫量に基づいたものではなく、動員兵力は各々の御家人に委ねられていた。