Ohio Rev. Code Ann. § 5165.21
(A) As used in this section:
(1) "Applicable calendar year" means the following:
(B) The department of medicaid shall determine each nursing facility's per medicaid day payment rate for tax costs. The department is not required to conduct a rebasing more than once every ten years. Except as necessary to implement the amendments made to this section by Sub. H.B. 303 of the 129th general assembly, the rate for tax costs determined under this division for a nursing facility shall be used for subsequent years until the department conducts a rebasing. To determine a nursing facility's rate for tax costs and except as provided in division (C) of this section, the department shall do both of the following:
(C) If a nursing facility had a credit regarding its real estate taxes reflected on its cost report for calendar year 2003, the department shall determine, as follows, its rate for tax costs for the period beginning on July 1, 2010, and ending on the first day of the fiscal year for which the department first conducts a rebasing: