Ohio Rev. Code § 2950.011
Except as specifically provided to the contrary in sections 2950.02 to 2950.99 of the Revised Code, all references in any of those sections to "sexually oriented offense" include, in addition to the violations specified in division (A) of section 2950.01 of the Revised Code on and after January 1, 2008, any sexually oriented offense, as that term was defined in section 2950.01 of the Revised Code prior to January 1, 2008, that was committed prior to that date and that was not a registration exempt sexually oriented offense, as that term was defined in that section prior to January 1, 2008.
Except as specifically provided to the contrary in sections 2950.02 to 2950.99 of the Revised Code, all references in any of those sections to "child-victim oriented offense" include, in addition to the violations specified in division (C) of section 2950.01 of the Revised Code on and after January 1, 2008, any child-victim oriented offense, as that term was defined in section 2950.01 of the Revised Code prior to January 1, 2008, that was committed prior to that date.
R.C. §2950.011