The official duties of the Kuraryo are accounting duties related to the Emperor's family such as managing the Emperor's family fortune which included gold, silver and silk sent by the Ministry of Finance for running the court, the keeping of treasures, grants to courtiers, and procurement.
内蔵寮の職掌は大蔵省より宮廷運営のために送付された金銀絹などをはじめとする天皇家の財産管理・宝物の保管・官人への下賜・調達など天皇家関係の出納事務である。