Ohio Rev. Code Ann. § 3121.036
(A) A court or agency that sends a withholding or deduction notice under section 3121.03 of the Revised Code to an obligor shall attach to the notice an additional notice requiring the obligor to immediately notify the child support enforcement agency administering the support order, in writing, of the following:
(1) In the case of a withholding notice:
(2) In the case of a deduction notice: