Ohio Rev. Code § 3506.07: Automatic tabulating equipment.

No automatic tabulating equipment shall be approved by the board of voting systems examiners or certified by the secretary of state, or be purchased, rented, or otherwise acquired, or used, unless it has been or is capable of being manufactured for use and distribution beyond a prototype and can be set by election officials, to examine ballots and to count votes accurately for each candidate, question, and issue, excluding any ballots marked contrary to the instructions printed on such ballots, provided that such equipment shall not be required to count write-in votes or the votes on any ballots that have been voted other than at the regular polling place on election day.