Ohio Rev. Code Ann. § 1710.06
(A) The board of directors of a special improvement district may develop and adopt one or more written plans for public improvements or public services that benefit all or any part of the district. Each plan shall set forth the specific public improvements or public services that are to be provided, identify the area in which they will be provided, and specify the method of assessment to be used. Each plan for public improvements or public services shall indicate the period of time the assessments are to be levied for the improvements and services and, if public services are included in the plan, the period of time the services are to remain in effect. Plans for public improvements may include the planning, design, construction, reconstruction, enlargement, or alteration of any public improvements and the acquisition of land for the improvements. Plans for public improvements or public services may also include, but are not limited to, provisions for the following:
(C) Each participating political subdivision shall levy, by special assessment upon specially benefited property located within the district, the costs of any public improvements or public services plan contained in a petition approved by the participating political subdivisions under this section or division (F) of section 1710.02 of the Revised Code. The levy shall be made in accordance with the procedures set forth in Chapter 727. of the Revised Code, except that: