(a) The bonds shall be sold, and the proceeds shall be used, solely for the purpose of procuring and improving one or more parks in the township; specifically, the bond proceeds may be used in connection with one or more acquisition projects, one or more improvement projects, or a combination thereof. The bond proceeds may be used to support projects at parks operated by the township or, through grants or intergovernmental agreements, at parks operated by a municipality or park district. At or before the time of the delivery of the bonds for value, the township supervisor and township clerk shall file with the county clerk of the county in which the township is situated their certificate in writing, under their signatures, stating the amount of bonds to be issued, their denomination, and the rate of interest and where payable. The certificate shall include a form of the bond to be issued.
     (b) The supervisor and clerk shall levy a direct annual tax upon all the taxable property in the township sufficient to pay the principal and interest of the bonds as and when they respectively mature. The certificate filed with the county clerk is full and complete authority to the county clerk to extend the tax named in the certificate upon all the taxable property in the township. The tax is in addition to all other taxes authorized by law.
     (c) If there is a board of park commissioners invested by law with control over any park that lies wholly or in part in the township, the duties required of the supervisor and clerk by this Section and subsection (c) of Section 125-10 shall be performed by the board of park commissioners or under its authority.