Section 10
SECTION 10. Sinking Fund - A sinking fund shall be established by the Administration in such manner that the total annual contributions thereto, accrued at such rate of interest as may be determined by the Secretary of Finance in consultation with the Monetary Board, shall be sufficient to redeem at maturity the bonds issued under the provisions of this Decree. Said fund shall be under the custody of the Central Bank of the Philippines, which shall invest the same in such manner as the Monetary Board may approve, charging all expenses of such investment to said sinking fund, and crediting the same with the interest on investments and other incomes accruing thereto.