Ohio Revised Code Title V. Townships § 507.051

The fiscal officer of a township shall notify the board of elections of all vacancies caused by death, resignation, or otherwise in the elective offices of the township. The notification shall be made in writing and filed, not later than ten days after a vacancy occurs, with the board of elections of the county in which the township is located.

The fiscal officer of a township shall notify the board of elections of all changes in boundaries of that township. The notification shall be made in writing, contain a plat clearly showing all boundary changes, and be filed, not later than ten days after the change of boundaries becomes effective, with the board of elections of the county in which the township is located.