Especially for the Imperial Court and temples which were exhausted by maelstroms of war and grabs for Shoen (manor in medieval Japan) made by samurai families, to grant official rank and the Zuryomei was an essential source of income.
特に戦乱に疲弊し、武家に荘園を横領されてきた朝廷や寺院にとり、官位や受領名の授与は、貴重な収入源でもあった。