357C.2 Limitation on area. A benefited street lighting district may include all or portions of the unincorporated areas of one township and any unincorporated areas of adjoining townships or portions thereof. However, such district shall contain only such area wherein the benefits derived from such street lighting shall be ratably spread between those people and families to be served. [C71, 73, 75, 77, 79, 81, §357C.2]
Iowa Legal Code