Versions of Ohio Code > Chapter 315 - Engineer on LawServer 2023 Ohio Code > Chapter 315 – Engineer 2020 Ohio Code > Chapter 315 – Engineer 2018 Ohio Code > Chapter 315 – Engineer 2016 Ohio Code > Chapter 315 – Engineer 2015 Ohio Code > Chapter 315 – Engineer 2014 Ohio Code > Chapter 315 – Engineer 2013 Ohio Code > Chapter 315 – Engineer