The authority is authorized to provide for the levy annually of an ad valorem tax
upon all taxable property within the district, to accumulate funds for accomplishing
any of the purposes enumerated in this article, and to pay the principal of and interest
on any bonds issued by the authority; provided that the issuance of such bonds shall
have been approved at an election held pursuant to the constitution of the state and
that said tax shall not exceed a maximum of two mills per annum. In addition to such
levy not to exceed two mills per annum, the authority is further authorized to provide
for the levy annually of an ad valorem tax upon all taxable property within the district
to finance the administration of the authority, or for the acquisition, construction,
maintenance or operation of any project authorized by this article, and to accumulate
funds for such purposes, provided that the rate thereof shall not exceed a maximum
of one mill per annum. The millage necessary to pay these expenses shall be levied
by the County council separately from the millage necessary to pay the debt service
on bonds of the authority or make said accumulation. The total millage which may be
levied against the nonexempt taxable property in the district for debt service and
this section shall not exceed three mills for the purposes stated in this section.