Ohio Rev. Code Ann. § 4141.312
(A) Except as otherwise specified in division (B) of this section, the amount of benefits payable to a claimant for any week with respect to which the claimant is receiving a governmental or other pension, retirement or retired pay, annuity or any other similar periodic payment which is based on the previous work of the individual, shall be reduced by an amount equal to the amount of the pension, retirement or retired pay, annuity or other payment which is reasonably attributable to that week, except that the requirements for this division shall apply to any pension, retirement or retired pay, annuity, or other similar periodic payment only if both of the following apply: