Versions of Ohio Code 3731.21 - Enforcement on LawServer 2023 Ohio Code 3731.21 – Enforcement 2020 Ohio Code 3731.21 – Enforcement 2018 Ohio Code 3731.21 – Enforcement 2016 Ohio Code 3731.21 – Enforcement 2015 Ohio Code 3731.21 – Enforcement 2014 Ohio Code 3731.21 – Enforcement 2013 Ohio Code 3731.21 – Enforcement 2009 Ohio Code 3731.21 – Enforcement