Ohio Rev. Code Ann. § 2929.142
(A) Notwithstanding the definite prison terms and minimum prison terms specified in divisions (A)(1)(a) and (b) of section 2929.14 of the Revised Code for a felony of the first degree, if an offender is convicted of or pleads guilty to aggravated vehicular homicide in violation of division (A)(1) of section 2903.06 of the Revised Code, the court shall impose upon the offender a mandatory prison term of ten, eleven, twelve, thirteen, fourteen, or fifteen years, determined as specified in division (B) of this section, if any of the following apply: