Many Zuryo (provincial governor) were appointed as the Keishi of the Sekkan-ke (the families which produced the Regent and the Chief Adviser to the Emperor), and part of their earnings was contributed to the Sekkan-ke, and backed up their income.
摂関家の家司は受領が多く任じられてその収益の一部が摂関家に献じられてその財政収入を支えた。