Ohio Revised Code|Section 2941.1413 | Mandatory additional prison term for felony OVI violation precluded unless charging instrument specifies prior convictions.

                                                
(A) Imposition of a mandatory additional  prison term of one, two, three, four, or five years upon an  offender under division (G)(2) of section 2929.13 of the Revised  Code is precluded unless the indictment, count in the indictment,  or information charging a felony violation of division (A) of  section 4511.19 of the Revised Code specifies that the offender,  within twenty years of the offense, previously has been convicted  of or pleaded guilty to five or more equivalent offenses. The  specification shall be stated at the end of the body of the  indictment, count, or information and shall be stated in  substantially the following form: 
"SPECIFICATION (or, SPECIFICATION TO THE FIRST COUNT). The  Grand Jurors (or insert the person's or the prosecuting attorney's  name when appropriate) further find and specify that (set forth  that the offender, within twenty years of committing the offense,  previously had been convicted of or pleaded guilty to five or more  equivalent offenses)."
(B) As used in division (A) of this section, "equivalent  offense" has the same meaning as in section 4511.181 of the  Revised Code.