Section 2
SEC. 2. There is appropriated, out of any funds in the Philippine Treasury not otherwise appropriated, the sum of three hundred thousand pesos as additional fund for the extension of air routes and for the increase in base rate of the air mail contracts: Provided, That in subsequent years the sum of four hundred and fifty thousand pesos shall be included in the Appropriation Act. The unexpended balance at the end of such year shall revert to the unappropriated general funds in the Philippine Treasury.