(a) A township may provide facilities or services for the benefit of its residents who are persons with a developmental disability and who are not eligible to participate in any program conducted under Article 14 of the School Code, or a township may contract for those facilities or services with any privately or publicly operated entity that provides facilities or services either in or outside the township.
     (b) For the purpose described in subsection (a), the township board may, pursuant to the referendum requirements in Section 185-10, levy an annual tax of not more than 0.1% of the value of all the taxable property in the township, as equalized or assessed by the Department of Revenue, upon that property. The tax shall be levied and collected in the same manner as other township taxes but shall not be included in any limitation otherwise prescribed as to the rate or amount of township taxes and shall be in addition to and in excess of other township taxes. When collected, the tax shall be paid into a special fund in the township treasury, designated the “Fund for Persons with a Developmental Disability”, and shall, together with any interest earned, be used only for the purpose specified in this Article.