Repayment of, and interest on, advances and sums issued to meet guarantee

The Authority shall make to the Accountant General, at such times and in such manner as the Minister responsible for Finance or other person designated by him may direct, payments of such amount as may be so directed in or towards repayment of advances made to the Authority under sub-section (1) of section 26 and of any sums issued in fulfilment of any guarantee given under that section, and payments of interest on any sum outstanding for the time being in respect of such advances and of any sums so issued at such rate as the Minister responsible for Finance may direct, and different rates of interest may be directed as respects different advances or sums and as respects interest for different periods.