While expenses for the Imperial family are paid out from the national treasury to allocate for the daily living expenditure of the Inner Court as well for the purpose of allotting funds to maintain the court rank as a member of the Imperial family, the bestowal or the transference of estate is strictly governed by the Constitution and the Imperial Household Finance Act.
内廷費や、皇族としての品位保持の資に充てるために皇族費が国庫から支出される一方で、財産の賜与（贈与）及び譲受に関して憲法と皇室経済法による強い規制がある。