Iowa Code § 359.30: Cemetery and park tax.

Township trustees shall, at the regular meeting in November, levy a tax sufficient to pay for any lands so condemned or purchased, or for the necessary improvement and maintenance of cemeteries thus established, and for the necessary improvement and the maintenance of public parks acquired by gift, devise, or bequest under section 359.29, or for the maintenance and improvement of cemeteries so established in adjoining townships, if the trustees deem such action advisable.