Section 6
SEC. 6. Commencing with the fiscal year ending June thirtieth, nineteen hundred and thirteen, and each succeeding year thereafter until said bonds shall have been paid, there is hereby appropriated a continuing annual appropriation, authorized to be paid out of any funds in the Insular Treasury not otherwise appropriated, of one thousand nine hundred and thirty-seven dollars, money of the United States, for each one hundred thousand dollars, and proportionally for each fraction thereof, of bonds issued in accordance with this Act. Said sum so appropriated and the interest thereon shall be invested by the Insular Treasurer in such manner as may be approved by the Governor-General, and shall constitute a sinking fund for the payment of said bonds.