The county board of such a county may levy an annual tax for not more than any 2 of the years 1975, 1976 and 1977 on all the taxable property in the county at a rate not exceeding .025% of the value, as equalized or assessed by the Department of Revenue, to provide monies for the county working cash fund. The collection of a tax levied under this Section may not be anticipated by the issuance of warrants drawn against the tax.
     Except as otherwise provided in this Division, the tax authorized by this Section, to be known as the county working cash fund tax, shall be levied and collected in like manner as the general taxes of the county. The county working cash fund tax is in addition to the maximum of all other taxes and tax rates which such a county by law may levy upon the value of all taxable property within the county. The county working cash fund tax may be levied, by separate resolution by the 3rd Tuesday in September annually, or, for the year 1977 within 20 days of December 3, 1977, for the purposes authorized by this Division, without any appropriation thereof being made in the annual appropriation bill or otherwise.