Section 2
SEC. 2. The Collector of Customs for the Philippine Islands is hereby authorized to fix and collect such charges for the landing, conveyance, storage, and delivery of imported merchandise at the port of Manila as he shall deem necessary to cover the total cost of operating said plant. The receipts from such charges shall be retained by him as a permanent fund, on deposit with the Treasurer of the Philippine Islands, and shall be disbursed upon the Insular Collector's approval. Said fund shall be deemed a permanent annual appropriation and the expenditure thereof is hereby authorized, in the manner provided, for the payment of salaries and wages and all other necessary expenses of operation, maintenance, repairs, improvements, and materials incurred in the lauding, conveyance, storage, and delivery of imported merchandise at the port of Manila: Provided, That the total amount of such expenditures shall not exceed the total amount of the receipts: And provided further, That all expenditures for salaries and wages and other necessary expenses shall be made on regular vouchers, and receipts taken therefor.