Ohio Rev. Code Ann. § 3503.19
(B)
(2)
(C)
(1) A board of elections that receives a voter registration application and is satisfied as to the truth of the statements made in the registration form shall register the applicant not later than twenty business days after receiving the application, unless that application is received during the thirty days immediately preceding the day of an election. The board shall promptly notify the applicant in writing of each of the following: