(1) The provisions of any law relating to the payment of interest on judgment debts in proceedings between subjects shall apply to judgment debts due from or to the Crown.
(2) Where any costs are awarded to or against the Crown in the High Court, interest shall be payable upon those costs unless the court otherwise orders, and any interest so payable shall be at the same rate as that at which interest is payable upon judgment debts due from or to the Crown.
(3) The provisions of any law empowering the High Court to award interest on debts and damages shall apply to judgments given in proceedings by and against the Crown.
(4) This section shall apply both in relation to proceedings pending at the commencement of this Act and in relation to proceedings instituted thereafter.