2023 Ohio Code 1514.47 – Certified mine forepersons; 30 CFR part 56 examinations

2020 Ohio Code 1514.47 – Certified mine forepersons; 30 CFR part 56 examinations

2018 Ohio Code 1514.47 – Certified mine forepersons; 30 CFR part 56 examinations

2016 Ohio Code 1514.47 – Qualified person to conduct 30 CFR part 56 examinations

2015 Ohio Code 1514.47 – Qualified person to conduct 30 CFR part 56 examinations

2014 Ohio Code 1514.47 – Qualified person to conduct 30 CFR part 56 examinations

2013 Ohio Code 1514.47 – Qualified person to conduct 30 CFR part 56 examinations

2009 Ohio Code 1514.47 – Qualified person to conduct 30 CFR part 56 examinations