In the beginning, they were generally sent from ryoke, but some time later, kaihatsu-ryoshu (local notables who actually developed the land) who were well-informed about the local situation began to be appointed, thus it was handed down to posterity along with kyuden meaning incomes from land taxes on shoryo (territory).
本来は領家より派遣されるのが一般的であったが、後には現地の事情に通じた開発領主が任命され、給田と呼ばれる所領給与とともに子孫に継承されていった。