Appropriations.—

Sec. 3, Appropriations.— Moneys covered into the fund shall be available for expenditure for the purposes of this Act only when appropriated therefor. Such appropriations may be made without fiscal-year limitation. Moneys covered into this fund not subsequently authorized by the Congress for expenditures within two fiscal years following the fiscal year in which such moneys had been credited to the fund, shall be transferred to miscellaneous receipts of the Treasury.