Ohio Rev. Code Ann. § 5733.055
(A) As used in this section:
(1) "Ceiling amount" means the excess of the amount described in division (A)(1)(a) of this section over the amount described in division (A)(1)(b) of this section:
(2) "Income adjustment amount" means the sum of the amounts described in divisions (A)(2)(a) and (b) of this section: