Any county within the State of Mississippi wherein the railroads known as the Illinois Central and the Mississippi Central intersect, and any county with a population of not less than twenty-one thousand nor more than twenty-one thousand five hundred and with an assessed valuation in excess of Sixteen Million Dollars ($16,000,000.00), and in which State Highway 35 and State Highway 12 intersect, is hereby authorized and empowered to issue the negotiable bonds or certificates of indebtedness of said county for the purpose of constructing an industrial building to be used as a sheltered workshop for the employment of handicapped people, and said county is hereby authorized to retain two mills of the state ad valorem tax levy for a period not in excess of five years for the purpose of assisting in the retirement of said bonds and interest thereon.

The board of supervisors of any county coming within the provisions of this section shall be authorized to levy, at the time and in the prescribed manner other county tax levies are made, an ad valorem tax of one-fourth mill for each mill retained levied against all of the taxable property of such county, and such levy shall be made a condition precedent to the operation of this section.

The amount of bonds or certificates of indebtedness issued for this purpose shall not exceed the sum of One Hundred Fifty Thousand Dollars ($150,000.00) and the two mill state ad valorem tax levy herein authorized to be retained for the retirement of said bonds may be pledged, together with the full faith and credit of the county, for the payment of said bonds at maturity and the interest thereon.

In issuing the bonds herein authorized, it shall only be necessary for the board of supervisors of said county to adopt a resolution providing for the sale and issuance of said bonds as now provided by law.