SECTION 1. Section one of Act Numbered Thirty-five hundred, as amended by Acts Numbered Thirty-six hundred and thirty-seven and Forty hundred and forty-five, is hereby further amended to read as follows:
"SECTION 1. The sum of five million pesos is hereby appropriated out of any funds in the Insular Treasury not otherwise appropriated, to constitute a revolving fund for the construction of permanent bridges on insular or provincial roads in the Philippines, which shall be expended under the supervision of the Secretary of Public Works and Communications. Said bridges shall be declared toll bridges for a period not exceeding twenty years and tolls shall be collected from all traffic using such bridges in accordance with rates to be fixed by a board composed of the Secretary of Public Works and Communications as chairman, the Secretary of Finance, and the Secretary of the Interior, as members: Provided, however, That no toll charges shall be collected from pedestrians, carabaos, cows, horses and any animal-drawn vehicles."