Ohio Rev. Code Ann. § 3121.037
(A) A withholding notice sent under section 3121.03 of the Revised Code shall contain all of the following:
(9) A requirement that the payor do the following:
(10) A requirement that, if the payor is an employer, the payor do both of the following:
(B) A deduction notice sent under section 3121.03 of the Revised Code shall contain all of the following: