Expenditure and disbursement of special funds.
Section 25
SEC. 25. Expenditure and disbursement of special funds.—Except as otherwise provided in this Act no portion of any unallotted balance of special, revolving, and trust funds and receipts automatically appropriated shall be available for expenditure: PROVIDED, That no expenditure shall be incurred, nor any disbursement made, out of the appropriations authorized in this Act under said funds and receipts automatically appropriated which will exceed at any one time either the fund itself or the cash in the National Treasury pertaining to such fund, except when, in the opinion of the President, such expenditure or disbursement is required by the exigency of the service, and sufficient income or receipts are expected to accrue to such funds to cover said expenditure or disbursement in which case the necessary amount may be advanced from the general fund.