Ohio Revised Code Title XXIX. Crimes Procedure § 2941.1415

(A) Imposition of a three-year mandatory prison term upon an offender under division (B)(6) of section 2929.14 of the Revised Code is precluded unless the offender is convicted of or pleads guilty to violating division (A)(1) or (2) of section 2903.06 of the Revised Code and unless the indictment, count in the indictment, or information charging the offense specifies that the offender previously has been convicted of or pleaded guilty to three or more violations of division (A) of section 4511.19 of the Revised Code or an equivalent offense, or three or more violations of any combination of those 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 previously has been convicted of or pleaded guilty to three or more violations of division (A) of section 4511.19 of the Revised Code or an equivalent offense, or three or more violations of any combination of those offenses).”

(B) The specification described in division (A) of this section may be used in a delinquent child proceeding in the manner and for the purpose described in section 2152.17 of the Revised Code.

(C) As used in this section, “equivalent offense” has the same meaning as in section 4511.181 of the Revised Code.