For the purpose of acquiring sites for, or for constructing or improving public buildings, including housing for public health units, roads, bridges, levees, sewage or drainage works, incinerators or other works of permanent public improvement, title to which shall be in the public, or for the maintenance or operating expense thereof, or for the maintenance and operation of public health units, any political subdivision may levy taxes without limitation as to amount, provided that the rate, purpose and duration of any such special tax shall have been submitted to the voters qualified to vote in the political subdivision in which the tax is to be levied, and a majority of those voting shall have voted in favor thereof.

Acts 1970, No. 434, §1.  Amended by Acts 1976, No. 639, §1.